Journal ArticleDOI
Light treatment for sleep disorders: consensus report. VI. Shift work.
Charmane I. Eastman,Ziad Boulos,Michael Terman,Scott S. Campbell,Derk-Jan Dijk,Alfred J. Lewy +5 more
TLDR
The bright light studies support the idea that the control of light and dark can be used to overcome many of the problems of shift work, however, despite ongoing practical applications (such as at NASA), much basic research is still needed.Abstract:
The unhealthy symptoms and many deleterious consequences of shift work can be explained by a mismatch between the work-sleep schedule and the internal circadian rhythms. This mismatch occurs because the 24-h zeitgebers, such as the natural light-dark cycle, keep the circadian rhythms from phase shifting to align with the night-work, day-sleep schedule. This is a review of studies in which the sleep schedule is shifted several hours, as in shift work, and bright light is used to try to phase shift circadian rhythms. Phase shifts can be produced in laboratory studies, when subjects are kept indoors, and faster phase shifting occurs with appropriately timed bright light than with ordinary indoor (dim) light. Bright light field studies, in which subjects live at home, show that the use of artificial nocturnal bright light combined with enforced daytime dark (sleep) periods can phase shift circadian rhythms despite exposure to the conflicting 24-h zeitgebers. So far, the only studies on the use of bright light for real shift workers have been conducted at National Aeronautics and Space Administration (NASA). In general, the bright light studies support the idea that the control of light and dark can be used to overcome many of the problems of shift work. However, despite ongoing practical applications (such as at NASA), much basic research is still needed.read more
Citations
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Journal ArticleDOI
Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. An American Academy of Sleep Medicine report.
Timothy I. Morgenthaler,Teofilo Lee-Chiong,Cathy A. Alessi,Leah Friedman,R. Nisha Aurora,Brian Boehlecke,Terry Brown,Andrew L. Chesson,Vishesh K. Kapur,Rama Maganti,Judith A. Owens,Jeffrey Pancer,Todd J. Swick,Rochelle S. Zak +13 more
TL;DR: A range of therapeutic interventions were considered including planned sleep schedules, timed light exposure, timed melatonin doses, hypnotics, stimulants, and alerting agents.
Journal ArticleDOI
Alerting effects of light.
TL;DR: Studies from the past two decades are summarized, which have defined and quantified the dose, exposure duration, timing and wavelength of light needed to evoke alerting responses in humans, as well as their temporal relationship to light-induced changes in endocrinological and electrophysiological sequelae of alertness.
Journal ArticleDOI
Circadian Rhythm Sleep Disorders: Part I, Basic Principles, Shift Work and Jet Lag Disorders An American Academy of Sleep Medicine Review
Robert L. Sack,Dennis Auckley,R. Robert Auger,Mary A. Carskadon,Kenneth P. Wright,Michael V. Vitiello,Irina V. Zhdanova +6 more
TL;DR: In this paper, the first part of two articles reviewing the scientific literature on the evaluation and treatment of circadian rhythm sleep disorders (CRSDs), employing the methodology of evidence-based medicine, are presented.
Journal ArticleDOI
Sleep and use of electronic devices in adolescence: results from a large population-based study.
Mari Hysing,Ståle Pallesen,Kjell Morten Stormark,Reidar Jakobsen,Astri J. Lundervold,Børge Sivertsen +5 more
TL;DR: The results demonstrate a negative relation between use of technology and sleep, suggesting that recommendations on healthy media use could include restrictions on electronic devices.
Journal ArticleDOI
Circadian temperature and melatonin rhythms, sleep, and neurobehavioral function in humans living on a 20-h day
TL;DR: The interaction of homeostatic and circadian processes in the regulation of waking neurobehavioral functions and sleep was studied in six healthy young subjects, demonstrating the exquisite of many neuro behavioral functions to circadian phase and the accumulation of homeOSTatic drive for sleep.
References
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Journal ArticleDOI
Light Suppresses Melatonin Secretion in Humans
TL;DR: Findings establish that the human response to light is qualitatively similar to that of other mammals.
Journal ArticleDOI
Transplanted suprachiasmatic nucleus determines circadian period
TL;DR: The pacemaker role of the suprachiasmatic nucleus in a mammalian circadian system was tested by neural transplantation by using a mutant strain of hamster that shows a short circadian period to restore circadian rhythms to arrhythmic animals whose own nucleus had been ablated.
Journal ArticleDOI
A functional analysis of circadian pacemakers in nocturnal rodents
Serge Daan,Colin S. Pittendrigh +1 more
TL;DR: In this article, phase response curves for 15′ bright light pulses of four species of nocturnal rodents are described, and the response to a resetting stimulus at a given phase of the rhythm is correlated with the individual's free-running period.
Journal ArticleDOI
Circadian rhythms and the circadian organization of living systems.
TL;DR: The writing of this paper has been influenced by strongly held convictions and concerns the need at this juncture in the study of “daily” rhythms for bold and explicit theory formation.