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BACKGROUND: Due to work commitments, shiftworkers often obtain inadequate sleep, consequently experiencing negative health, wellbeing, and safety outcomes. Given shiftworkers may have limited control over their work commitments, lifestyle and environmental factors within their control may present an intervention opportunity. However, such interventions require tailoring to ensure applicability for this sleep-vulnerable population. METHODS: A randomised waitlist control pilot trial investigated the effectiveness of mobile health application Sleepfit, which delivered a tailored sleep health intervention aimed at improving sleep health and sleep hygiene outcomes amongst paramedic shiftworkers. Outcome measures of self-reported sleep health (sleep need, duration, and quality, fatigue, Insomnia Severity Index, Fatigue Severity Scale, and Epworth Sleepiness Scale scores) and sleep hygiene (Sleep Hygiene Index score) were collected at baseline, post-intervention, and 3-month follow-up. RESULTS: Fifty-eight paramedics (aged 33.4 ± 8.0 years; 50% male) were recruited, and trialed Sleepfit for a 14-day intervention period between August 2021-January 2022. For all participants, there was a significant reduction in Insomnia Severity Index and Sleep Hygiene index scores after intervention engagement. Regression models demonstrated no significant intervention effect on sleep health or sleep hygiene outcomes (intervention versus waitlist control group). A high study drop-out rate (91.4%) prevented assessment of outcomes at 3-month follow-up. CONCLUSIONS: Pilot trial findings demonstrate that Sleepfit may elicit improvements in sleep health and sleep hygiene outcomes amongst paramedic shiftworkers. However, low enrolment and retention means that findings should be interpreted with caution, further highlighting potential engagement challenges, especially among paramedics who are particularly in need of support for improved sleep. TRIAL REGISTRATION: Prospectively registered with the Australian New Zealand Clinical Trial Registry 24/01/2020 (reference no. ACTRN12620000059965).

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INTRODUCTION: Insomnia is a prevalent sleep disorder that negatively impacts daytime functioning and quality of life. Breast cancer patients report higher rates of insomnia and more circadian disruption than other cancer groups. Approximately 50% of patients experience acute insomnia following breast cancer diagnosis, which often persists during cancer treatment and rehabilitation. Sleep Restriction Therapy (SRT) is a clinically effective and tolerable treatment for persistent insomnia in breast cancer survivors. However, SRT has never been tested on patients with early signs of sleep disturbance who are undergoing cancer treatment. The aim of this pilot randomised controlled trial is to explore the feasibility and preliminary effectiveness of nurse delivered SRT for newly diagnosed breast cancer patients with acute insomnia. The trial has been registered on ClinicalTrials.gov (identifier: NCT06294041). METHODS: The INVEST (INvestigating the Value of Early Sleep Therapy) trial will recruit 50 newly diagnosed breast cancer patients who meet criteria for acute insomnia. Patients will be recruited from breast cancer results clinics within two Scottish health boards (NHS Grampian and NHS Greater Glasgow and Clyde) and will be block randomised (1:1) to receive nurse delivered SRT or Sleep Hygiene Education (SHE). SRT will be delivered over 4 weekly sessions comprising two face-to-face meetings (either in person or online) and two telephone calls, whereas SHE will be administered in booklet form. Outcomes will be collected at baseline, 6 weeks, and 12 weeks post-randomisation. Primary outcomes in this trial relate to the feasibility of SRT for newly diagnosed breast cancer patients with acute insomnia. Specifically, we will explore (i) rates of patient recruitment and retention, (ii) intervention fidelity, (iii) data collection procedures and outcome measure completion, (iv) intervention acceptability. Secondary outcomes will focus on preliminary evaluation of patient responses to SRT, including insomnia severity, rest-activity rhythms, and mental health. DISSEMINATION: Our dissemination plan comprises publishing trial outcomes in high-impact, peer-reviewed journals and on breast cancer charity websites and other patient resources. The outcomes from this pilot trial will also inform the development of a full-scale, multicentre RCT of SRT for acute insomnia in newly diagnosed breast cancer patients. University of Strathclyde is the sponsor (reference: UEC23/52). Protocol version v1.2 4 October 2023. STRENGTHS AND LIMITATIONS OF THIS STUDY: This trial is the first to explore the value of sleep prehabilitation for newly diagnosed breast cancer patients.This will be the first trial to assess the feasibility of delivering SRT during breast cancer treatment, providing valuable insight into its tolerability and preliminary effectiveness.An embedded process evaluation will assess the acceptability of SRT, providing insight into potential optimisation of the intervention and recommendations for enhancing its future scalability and translation within cancer care.Due to the nature of the SRT intervention, nurse therapists and patients cannot be blinded to treatment allocation, increasing the risk of bias.

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ABSTRACT: Sleep is critical to a person's physiological and psychological functioning. Approximately 30% to 40% of the general population experiences insomnia, and among patients with mental health conditions, the prevalence of insomnia and other sleep disturbances rises to about 70%. Insomnia is associated with many adverse health issues, including lower immunity, weight gain, elevated BP, and increased mortality, and it is often undiagnosed and either untreated or self-treated. Providers can work together with patients to enact measures-such as implementation of enhanced sleep hygiene, engagement in cognitive behavioral therapy, and treatment of any underlying causes-that can markedly improve patient sleep quality. This article provides an overview of evidence-based best practices and whole-person strategies that NPs can adopt to address poor sleep quality in adult patients, and it serves as a primer for primary care NPs on common presentations of several sleep disorders.

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BACKGROUND: The study aimed to ascertain the effect of sleep hygiene training on nursing students' sleep quality. METHODS: The research study group consisted of 80 nursing students studying in the nursing department. A quasi-experimental model with a pretest-posttest control group was used. Sleep hygiene training was given to nursing students in the experimental group. The sociodemographic data form for nurse students and the Pittsburg Sleep Quality Index (PSQI) were used to collect data. The t-test for independent groups was used to compare the PSQI pre-test and post-test scores of the experimental and control groups, and the dependent group t-test was used to compare the PSQI pre-test and post-test scores within groups. RESULTS: There was a difference in the sleep-related data of the nursing students in the experimental and control groups and between the PSQI pretest and posttest score averages according to the groups. No significant difference between the pre-test and post-test mean scores was observed in the control group for subjective sleep quality, sleep duration, sleep disturbance, and daytime dysfunction. CONCLUSIONS: Sleep hygiene education helps nursing students develop regular sleep behaviors.

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Poor sleep during hospitalization can negatively affect patient health, well-being, and satisfaction. This nurse-led quality improvement project aimed to promote quality sleep on an inpatient telemetry medical-surgical onco.

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OBJECTIVES: To investigate the knowledge, attitude and practice (KAP) towards insomnia and sleep hygiene among patients with chronic insomnia. DESIGN: Web-based cross-sectional survey. SETTING: Shaanxi Provincial People's Hospital (northwest China) between January 2023 and May 2023. PARTICIPANTS: Patients with chronic insomnia. PRIMARY AND SECONDARY OUTCOME MEASURES: Demographic characteristics and KAP towards insomnia and sleep hygiene were collected by distributing a questionnaire developed by the authors. RESULTS: A total of 613 people participated in this study, with a Mean Knowledge Score of 7.63±2.56 (total score of 12), a Mean Attitude Score of 48.39±6.643 (total score of 70) and a Mean Practice Score of 42.37±8.592 (total score of 70). Knowledge was significantly correlated with attitude (r=0.447, p<0.001) and practice (r=0.327, p<0.001), and attitude was significantly correlated with practice (r=0.486, p<0.001). Multivariable logistic regression showed that higher knowledge (OR=1.181 (1.062-1.314), p=0.002) and better attitude (OR=1.171 (1.124-1.221), p<0.001) were independently associated with good practice. According to the structural equation modelling analysis, knowledge directly influenced practice (ß=0.457, p=<0.001) and attitude (ß=1.160, p=<0.001), while attitude influenced practice (ß=0.550, p=<0.001). CONCLUSION: The KAP towards insomnia and sleep hygiene among patients with chronic insomnia in Northwest China in 2023 was moderate, with better practice showing signs of being influenced by better knowledge and more positive attitudes.

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The prevalence of locomotive syndrome naturally increases with age, but approximately half of nonelderly individuals also meet the criteria for locomotive syndrome, suggesting that even younger people need to pay attention to their own health status. Sleep is important for physical, cognitive, and psychological health. Some individuals with poor sleep quality may be at risk of developing negative health status. Although the effects of sleep hygiene strategies for elderly individuals have been well investigated, optimal nonpharmacological sleep hygiene strategies for improving sleep quality in nonelderly individuals has not been identified. We conducted a systematic review and network meta-analysis (NMA) of randomized controlled trials aimed to elucidate the effects of various nonpharmacological interventions on sleep quality in nonelderly individuals and to identify the optimal intervention. Cochrane Central Register of Controlled Trials, Medline, Cumulative Index to Nursing and Allied Health Literature, Physiotherapy Evidence Database, and Scopus were comprehensively searched. We identified 27 studies focusing on the effects of various nonpharmacological sleep hygiene strategies in nonelderly individuals, and 24 studies were applied into NMA. The present results showed that resistance training was the most effective intervention for improving sleep quality in nonelderly individuals. In addition, this study revealed the effects of nonpharmacological interventions, such as physical activity, nutritional intervention, as well as exercise interventions. This is the first report that utilized NMA to compare the effects of various nonpharmacological interventions on sleep quality in nonelderly individuals.

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The provision of dental sleep medicine (DSM) has caused the rapid growth and expansion of an industry that includes health care providers, manufacturers, and retailers. Sleep is used as a vital sign by health care providers to screen and test for sleep disorders and to prevent future health issues, disease, and catastrophic events. Professional services and devices continue to be developed to enhance and foster better sleep hygiene and environment and to encourage improved sleep by building a comprehensive portfolio of sleep solutions, including DSM. However, the provision of DSM requires compliance with applicable state and federal regulations.

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QUESTION: I continue to hear concerns from parents in my practice about the frequent use of light-emitting devices by their children. I have also found that many children suffer from sleep disturbances. What are the effects of screen time on sleep, and what are some best practices for sleep hygiene and screen use among children? ANSWER: Screen time is higher now than before the onset of the COVID-19 pandemic, and knowledge about the effects of screen time is evolving. Spending time in front of a screen may replace sleep time or sleep-promoting activities such as exercise, and the engaging content and social interactions on screens interfere with falling asleep. Evidence exists on the disruption of the circadian rhythm by light emitted by screens. Advice to families should include sleep hygiene activities as well as elimination of screen use at least 1 hour before sleep.

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ABSTRACT: Sleep is critical to a person's physiological and psychological functioning. Approximately 30% to 40% of the general population experiences insomnia, and among patients with mental health conditions, the prevalence of insomnia and other sleep disturbances rises to about 70%. Insomnia is associated with many adverse health issues, including lower immunity, weight gain, elevated BP, and increased mortality, and it is often undiagnosed and either untreated or self-treated. Providers can work together with patients to enact measures-such as implementation of enhanced sleep hygiene, engagement in cognitive behavioral therapy, and treatment of any underlying causes-that can markedly improve patient sleep quality. This article provides an overview of evidence-based best practices and whole-person strategies that NPs can adopt to address poor sleep quality in adult patients, and it serves as a primer for primary care NPs on common presentations of several sleep disorders.

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STUDY OBJECTIVES: Insomnia symptoms are common during the perinatal period and are linked to adverse outcomes. This single-blind three-arm randomized-controlled trial examined whether two interventions targeting different mechanisms prevent postpartum insomnia. METHODS: Participants were nulliparous females 26-32 weeks gestation with Insomnia Severity Index (ISI) scores ≥ 8, recruited in Australia and randomized 1:1:1 to: (1) a responsive bassinet (RB) designed to support infant sleep and reduce maternal sleep disruption until 6 months postpartum, (2) therapist-assisted cognitive behavioral therapy for insomnia (CBT-I) delivered during pregnancy and postpartum, or (3) a sleep hygiene booklet (control; CTRL). Outcomes were assessed at baseline (T1), 35-36 weeks gestation (T2), and 2, 6, and 12 months postpartum (T3-T5). The primary outcome was ISI scores averaged T3-T5. Primary analyses were regressions controlling for baseline outcomes. RESULTS: One hundred and twenty-seven participants (age M ±â€…SD = 32.62 ±â€…3.49) were randomized (RB = 44, CBT-I = 42, CTRL = 41). Both interventions were feasible and well-accepted, with few related adverse events reported. Compared to CTRL, the average ISI across T3-T5 was lower for CBT-I (p = .014, effect size [ES] = 0.56, medium) but not RB (p = .270, ES = 0.25, small). Exploratory findings on maternal insomnia diagnosis, sleep disturbance, sleep-related impairment, beliefs and attitudes about sleep, depression, anxiety, as well as infant sleep outcomes were also presented. CONCLUSIONS: CBT-I but not RB reduced prenatal insomnia (very large effect) and prevented postpartum insomnia (medium effect). Further research is needed to examine the effects of both CBT-I and RB on other outcomes such as sleep-related well-being, postpartum depression, and maternal postpartum sleep duration. CLINICAL TRIAL REGISTRATION: The Study for Mother-Infant Sleep (The SMILE Project): reducing postpartum insomnia using an infant sleep intervention and a maternal sleep intervention in first-time mothers. https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=377927, Australian New Zealand Clinical Trials Registry: ACTRN12619001166167.

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This cross-sectional study aimed to explore the knowledge, attitude and practice (KAP) toward sleep disorders and sleep hygiene among perimenopausal women, who were enrolled in Dezhou region of Shandong Province between July and September 2023. A total of 720 valid questionnaires were collected (mean age: 51.28 ± 4.32 years old), and 344 (47.78%) reported experiencing insomnia. The mean scores for knowledge, attitude, practice, and Dysfunctional Beliefs and Attitudes about Sleep (DBAS) were 15.73 ± 7.60 (possible range: 0-36), 29.35 ± 3.15 (possible range: 10-50), 28.54 ± 4.03 (possible range: 10-50), and 6.79 ± 1.90 (possible range: 0-10), respectively. Path analysis showed that knowledge had direct effects on attitude (ß = 0.04, 95% CI 0.01-0.07, P = 0.001), and DBAS (ß = 0.04, 95% CI 0.02-0.05, P < 0.001). Knowledge had direct effects (ß = 0.11, 95% CI 0.08-0.15, P < 0.001) and indirect (ß = 0.02, 95% CI 0.00-0.03, P = 0.002) effect on practice. Moreover, attitude also had a direct impact on practice (ß = 0.34, 95% CI 0.25-0.43, P < 0.001). In conclusion, perimenopausal women exhibited insufficient knowledge, negative attitude, inactive practice toward sleep disorders and sleep hygiene, and unfavorable DBAS, emphasizing the need for targeted healthcare interventions.

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There is no consensus on the definition of sleep hygiene and its components. We examined the definition of sleep hygiene based on its use in published studies. Four databases (Medline, EMBASE, PsycINFO and CINAHL) were searched from inception until December 31, 2021 for the phrase 'sleep hygiene' in the title or abstract. We identified 548 relevant studies in adults: 250 observational and 298 intervention studies. A definition of sleep hygiene was provided in only 44% of studies and converged on three themes: behavioural factors, environmental factors, and an aspect of control. Sleep hygiene components were explicitly defined in up to 70% of observational studies, but in only 35% of intervention studies. The most commonly considered components of sleep hygiene were caffeine (in 51% of studies), alcohol (46%), exercise (46%), sleep timing (45%), light (42%), napping (39%), smoking (38%), noise (37%), temperature (34%), wind-down routine (33%), stress (32%), and stimulus control (32%), although the specific details of each component varied. Lack of consistency in definitions of sleep hygiene and its components may hinder communication between researchers, clinicians, and the public, and likely limits the utility of sleep hygiene as an intervention.

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PURPOSE OF REVIEW: Sleep deprivation is known to affect multiple aspects of mental health, physical health, and daily functioning. With increasing reports of sleep disturbances and increasing mental health needs in adolescents, it is imperative that healthcare providers have a strong understanding of the relationship between sleep and mental health, the impact of poor sleep on the school experience, and an understanding of behavioral interventions targeting sleep practices. RECENT FINDINGS: Recent studies have shown that the relationship between sleep and mental health is complex and multifaceted. While mental health diagnoses and symptoms can negatively influence sleep quality and quantity, so too does poor sleep increase the risk of mental health diagnoses, symptom severity, and suicide risk. Sleep likewise affects the school experience, both positively and negatively. Targeted interventions and prevention programs may be effective in treatment of sleep disturbances for adolescents. SUMMARY: Clinicians must be aware of the above associations and their clinical implications. Patients with either mental health or sleep concerns should be screened for potential co-morbid conditions. Improving sleep hygiene practices can improve the sleep experience in adolescents, however, there remains a gap in understanding the best method to improve sleep hygiene practices in this population.

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PURPOSE: Pregnancy-related psychophysiological changes are associated with the sleep alterations as the gestational weeks progress. The aim is to evaluate the effectiveness of sleep hygiene education programs during pregnancy. METHODS: This prospective randomized controlled study based on pre-post-test after intervention consists of 30 studies and 30 control groups. Pregnant descriptive form, Beck Depression Index (BDI), Pittsburgh Sleep Quality Index (PSQI) and sleep hygiene index (SHI) questionnaires were used. Pregnant women with a score of 15 and above according to BDI were excluded from the study due to depression. Following the application of PSQI and SHI as a pretest, a sleep hygiene training program was applied to the intervention group twice with an interval of 15 days, and PSQI and SHI surveys were repeated as a posttest at the end of 1 month. End points with prespecified hypotheses were changes in sleep quality in different trimesters during antenatal follow-up (primary end point) and changes in sleep quality after the sleep hygiene education intervention from randomization to the end of the intervention period (secondary end point). RESULTS: 90% of all pregnant women had poor sleep quality in the pre-test, and 93.3% in the post-test. In the intervention group, the pre-test PSQI score was 8.10 ± 1.80 and the post-test PSQI score was 8.37 ± 2.05 (p < 0.001). In the control group, the pre-test PSQI score was 8.23 ± 2.54 and the post-test PSQI score was 9.77 ± 2.54, and the worsening of sleep quality became more evident (p < 0.05). While the SHI in intervention group was 16.57 ± 5.64 in the pre-test, it was 10.30 ± 3.78 in the post-test after sleep hygiene training (p < 0.001). In the control group, the pre-test SHI scores increased from 14.50 ± 3.78 to the post-test scores of 16.60 ± 4.36, resulting in a decline in sleep hygiene and sleep quality (p < 0.05). CONCLUSION: As the gestational week progressed, the deterioration in sleep quality increased. The poor sleep quality improved significantly after sleep hygiene education counseling. It is recommended to add sleep-related screenings to routine pregnancy follow-ups and to provide sleep hygiene education.

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Sleeping problems are prevalent among children and adolescents, often leading to frequent consultations with pediatricians. While cognitive-behavioral therapy has shown effectiveness, especially in the short term, there is a lack of globally endorsed guidelines for the use of pharmaceuticals or over-the-counter remedies in managing sleep onset insomnia. An expert panel of pediatric sleep specialists and chronobiologists met in October 2023 to develop practical recommendations for pediatricians on the management of sleep onset insomnia in typically developing children. When sleep onset insomnia is present in otherwise healthy children, the management should follow a stepwise approach. Practical sleep hygiene indications and adaptive bedtime routine, followed by behavioral therapies, must be the first step. When these measures are not effective, low-dose melatonin, administered 30-60 min before bedtime, might be helpful in children over 2 years old. Melatonin use should be monitored by pediatricians to evaluate the efficacy as well as the presence of adverse effects.    Conclusion: Low-dose melatonin is a useful strategy for managing sleep onset insomnia in healthy children who have not improved or have responded insufficiently to sleep hygiene and behavioral interventions.

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OBJECT: Sleep problems often accompany ADHD and negatively affect ADHD symptoms, however, there are not enough intervention studies on sleep interventions in children with ADHD. The present study investigated the effects of sleep hygiene training (SH) and progressive muscle relaxation exercises (PMR) in children with ADHD. METHOD: 57 children aged 6-12 years with ADHD were randomly assigned to the SH and SH + PMR groups and completed the intervention consisting of group training and eight weeks of telephone interviews. The effects of both intervenitons were evaluated via parent, child and clinician report scales and neuropsychological tests. RESULTS: Both interventions resulted in significant positive changes in child sleep, ADHD symptoms, functioning, neuropsychological tests and parental sleep quality. Significant differences were found between the interventions in selective attention, peer problems and anxiety scores in favor of the SH + PMR group. CONCLUSION: SH may have positive effects on various clinical parameters as well as sleep problems in children with ADHD. Addition of PMR to SH may lead to further improvements in anxiety, peer problems and selective attention. SH and PMR may be a useful tool in the clinical management of children with ADHD with sleep problems.

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OBJECTIVES: The purpose of this study is to examine adolescent attitudes about the importance of sleep and how they relate to adolescent sleep behaviors and parent sleep attitudes. METHODS: Participants included families with adolescents aged 10-17years and a parent (N = 170 dyads) who completed a virtual assessment. Adolescents reported on their sleep impairment and sleep hygiene behaviors, and all participants completed a newly developed scale to assess attitudes toward the importance of prioritizing sleep over other activities/responsibilities. RESULTS: Results suggest that older adolescents reported more negative sleep attitudes, and adolescents reported more negative sleep attitudes compared to adult/parent participants. More negative sleep attitudes were associated with poorer sleep hygiene behaviors. Parent sleep attitudes significantly predicted their adolescent's sleep attitudes, even after adjusting for family income, education, and adolescent age and sex. CONCLUSIONS: This is the first study to our knowledge to quantitatively examine adolescent sleep attitudes. Findings suggest that sleep attitudes are important for adolescent sleep, and may develop within the family system via parental socialization. Future research and implications for intervention are discussed.

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OBJECTIVE: The aim of this study was to conduct a scoping review to determine the nature, variety, and volume of empirical evidence on nonpharmacological interventions for sleep disturbances with potential implications for fatigue in adults sustaining a traumatic brain injury (TBI). METHODS: A systematic literature search was conducted across four databases to identify primary studies testing a single non-pharmacological intervention or a combination of non-pharmacological interventions for sleep disturbances and fatigue in community-dwelling adults with TBI. RESULTS: Sixteen studies were reviewed addressing six non-pharmacological interventions for sleep disruptions and fatigue after TBI including light therapy, cognitive-behavioral therapy, warm footbath application, shiatsu, and sleep hygiene protocol. Non-pharmacological interventions involving light or cognitive-behavioral therapy were reported in 75% of the studies. Actigraphy-based estimation of total sleep time and subjective level of fatigue were frequent outcomes. CONCLUSION: While this scoping review has utility in describing existing non-pharmacological approaches to manage sleep and fatigue after TBI, the findings suggest that interventions are often developed without considering TBI individuals' source of motivation and the need for support in self-administration. Future studies may achieve greater sustainability by considering the evolving needs of TBI patients and their families and the drivers and barriers that might influence non-pharmacological intervention use at home.

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El hábito deportivo resulta esencial para el descanso nocturno del adolescente de Bachillerato. Este estudio analiza la influencia de la práctica deportiva sobre tres variables: conocimiento, calidad e higiene del sueño. Los 145 adolescentes (M = 16.72; DE = 0.74) que componen la muestra reportaron un deficiente conocimiento en nociones del sueño (SBS = 12.04), una pobre calidad del sueño (AYA-PSQI-S = 8.36) y una perfectible higiene del sueño (ASHSr = 4.26). Sin embargo, el 83.6% de los estudiantes que realizaban actividad física demostraron puntuaciones medias totales más altas en las tres variables, asumiendo diferencias significativas (p < 0.05) en las dimensiones de duración y eficiencia del sueño, en comparación al alumnado sedentario. Además, según el estudio, el ejercicio actúa como protector ante la deficitaria calidad de sueño y como impulsor de la higiene del sueño. Por su parte, la alta intensidad de la práctica de ejercicio físico está relacionada con un mejor desempeño en la dimensión de duración de sueño y un mayor autoconcepto, teniendo en cuenta que horas de práctica tardías están relacionadas negativamente con la hora de cenar, postergando el descanso. El hábito deportivo influye positivamente en el conocimiento, la calidad y la higiene del sueño adolescente; apostando por el ejercicio de fuerza, a intensidades submáximas y alejadas en la medida posible de la hora de dormir (AU)

Sports habits are essential for the sleep of the adolescent in the high school. This study analyses the influence of sports practice on three variables: sleep knowledge, sleep quality and sleep hygiene. The 145 adolescents (M = 16.72; SD = 0.74) in the sample reported low sleep knowledge (SBS = 12.04), poor sleep quality (AYA-PSQI-S = 8.36) and improvable sleep hygiene (ASHSr = 4.26). However, 83.6% of physically active students showed higher total scores on all three variables, assuming significant differences (p < 0.05) in sleep duration and sleep efficiency compared to sedentary students. Moreover, exercise prevents poor sleep quality and enhance sleep hygiene. On the other hand, high intensity of physical activity correlates with better performance in the sleep duration dimension and a higher self-concept, considering that late practice hours are negatively related to dinner time, delaying rest. The sporting habit has a positive influence on the sleep knowledge, quality and hygiene of adolescents, betting on strength exercise, at submaximal intensities and as far as possible away from bedtime (AU)

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