Exercise and sleep

Department of Psychiatry, University of Toronto, University Health Network, Toronto Western Hospital Applied and Interventional Research Division, Canada
Sleep Medicine Reviews (Impact Factor: 9.14). 09/2000; 4(4):387-402. DOI: 10.1053/smrv.2000.0110
Source: PubMed

ABSTRACT This paper reviews the literature on the association between exercise and sleep. The epidemiological and experimental evidence for whether or not acute and chronic exercise promote sleep is discussed, as well as moderating factors and agendas for future directions of study. The expectation that exercise will benefit sleep can partly be attributed to traditional hypotheses that sleep serves energy conservation, body restoration or thermoregulatory functions, all of which have guided much of the research in this field. Exercise is a complex activity that can be beneficial to general well-being but may also stress the body. Differences in the exercise protocols studied (e.g. aerobic or anaerobic, intensity, duration) and interactions between individual characteristics (e.g. fitness, age and gender) cloud the current experimental evidence supporting a sleep-enhancing effect of exercise. In addition, the tendency to study changes in small groups of good sleepers may also underestimate the efficacy of exercise for promoting sleep. Athough only moderate effect sizes have been noted, meta-analytical techniques have shown that exercise increased total sleep time and delayed REM sleep onset (10 min), increased slow-wave sleep (SWS) and reduced REM sleep (2-5 min). The sleep-promoting efficacy of exercise in normal and clinical populations has yet to be established empirically.

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    • "Partinen, 2002), with the exception of sleep apnoea, which is more prevalent in men (Kronholm et al., 2009). The second demographic covariate, age, has been found to correlate negatively with perceived health (in Finland, Aalto et al., 1999) and sleep quality (Driver & Taylor, 2000) but not with mental health (Aalto et al., 1999). There is additional evidence that different age groups respond differently to exposure to nature (Barton & Pretty, 2010; Maas et al., 2009). "
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    ABSTRACT: Background: A body of evidence shows that both physical activity and exposure to nature are connected to improved general and mental health. Experimental studies have consistently found short term positive effects of physical activity in nature compared with built environments. This study explores whether these benefits are also evident in everyday life, perceived over repeated contact with nature. The topic is important from the perspectives of city planning, individual well-being, and public health. Methods: National survey data (n = 2,070) from Finland was analysed using structural regression analyses. Perceived general health, emotional well-being, and sleep quality were regressed on the weekly frequency of physical activity indoors, outdoors in built environments, and in nature. Socioeconomic factors and other plausible confounders were controlled for. Results: Emotional well-being showed the most consistent positive connection to physical activity in nature, whereas general health was positively associated with physical activity in both built and natural outdoor settings. Better sleep quality was weakly connected to frequent physical activity in nature, but the connection was outweighed by other factors. Conclusion: The results indicate that nature provides an added value to the known benefits of physical activity. Repeated exercise in nature is, in particular, connected to better emotional well-being.
    11/2014; DOI:10.1111/aphw.12031
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    • "Due to the nature of persisting sleep deprivation after childbirth, a regular home-based intervention program is necessary in order to improve sleep quality of the mothers. Wide-spectrum epidemiological studies have suggested physical exercise as a non-medical intervention to ameliorate sleep disorders in order to improve sleep quality (Driver and Taylor, 2000); Although there are different exercise options it seems that activities that induce muscular relaxation and relieve fatigue are more appropriate than other aerobic exercises. Pilates exercises have gained significant popularity among the general population in the past a few years (von Sperlingde Souza and Brum Vieira, 2006). "
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    ABSTRACT: Prolonged poor sleeping quality can decrease women's ability to perform their maternal and family duties after delivery. The aim of this study was to investigate the effects of a Pilates training program on sleep quality in primigravida postpartum women in a randomized clinical trial. Eighty postpartum women were randomly divided into intervention and control groups (n = 40). Home-based 30-min Pilate's exercises were started 72 h after the delivery and performed five times per week for consecutive 8 weeks. Sleep quality was assessed by the Pittsburgh Sleep Quality Index (PSQI) prior to the intervention and 4th and 8th weeks afterwards. The intervention group showed a significant improvement in subjective sleep quality, sleep latency, daytime dysfunction and global PSQI score (P < 0.001); however, there was no difference in sleep duration, habitual sleep efficiency and sleep disturbance between the groups. In conclusion, Pilates exercises appeared to improve sleep quality in primigravida postpartum women.
    Journal of bodywork and movement therapies 04/2014; 18(2):190-9. DOI:10.1016/j.jbmt.2013.09.007
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    • "Previous work by our group (Hulton et al., 2010) examined the relationship between sleep and energy intake compared to energy expenditure. Sleep may have restorative functions, as high-quality sleep associates with not only low energy use (Adam and Oswald, 1983; Driver and Taylor, 2000), but may also allow for the replenishment of energy proposed to be lost through acts of self-control (Gailliot and Baumeister, 2007). It should be noted that relationships between emotion and emotion regulation in ultra-endurance athletes who are sleep deprived and in a negative energy state have not been fully examined. "
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    ABSTRACT: Multiday ultra-endurance races present athletes with a significant number of physiological and psychological challenges. We examined emotions, the perceived functionality (optimal-dysfunctional) of emotions, strategies to regulate emotions, sleep quality, and energy intake-expenditure in a four-man team participating in the Race Across AMerica (RAAM); a 4856km continuous cycle race. Cyclists reported experiencing an optimal emotional state for less than 50% of total competition, with emotional states differing significantly between each cyclist over time. Coupled with this emotional disturbance, each cyclist experienced progressively worsening sleep deprivation and daily negative energy balances throughout the RAAM. Cyclists managed less than one hour of continuous sleep per sleep episode, high sleep latency and high percentage moving time. Of note, actual sleep and sleep efficiency were better maintained during longer rest periods, highlighting the importance of a race strategy that seeks to optimise the balance between average cycling velocity and sleep time. Our data suggests that future RAAM cyclists and crew should: 1) identify beliefs on the perceived functionality of emotions in relation to best (functional-optimal) and worst (dysfunctional) performance as the starting point to intervention work; 2) create a plan for support sufficient sleep and recovery; 3) create nutritional strategies that maintain energy intake and thus reduce energy deficits; and 4) prepare for the deleterious effects of sleep deprivation so that they are able to appropriately respond to unexpected stressors and foster functional working interpersonal relationships. Key PointsCompleting the Race Across AMerica (RAAM); a 4856km continuous cycle race associated with sleep disturbance, an energy-deficient state, and experiencing intense unwanted emotions.Cyclists reported experiencing an optimal emotional state for less than 50% of total competition and actual sleep and sleep efficiency was better maintained during longer rest periods.We suggest that future RAAM cyclists and crew should:Identify individual beliefs on the perceived functionality of emotional states in relation to best (optimal) and worst (dysfunctional) performance as the starting point to identifying if emotion regulation strategies should be initiated.Plan for enhanced sleep and recovery not just plan and train for maintaining a high average velocity;Create nutritional strategies that maintain energy intake and thus reduce energy deficits;Psychologically prepare cyclists and crew for the deleterious effects of sleep deprivation so that they both are able to appropriately respond to unexpected stressors and foster functional interpersonal working relationships.
    Journal of sports science & medicine 01/2013; 12(3):481-8. · 0.90 Impact Factor
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