Results 21 to 30 of about 1,157,408 (304)

The Natural History of Insomnia: Acute Insomnia and First-onset Depression [PDF]

, 2013
Study Objectives: While many studies have examined the association between insomnia and depression, no studies have evaluated these associations 1) within a narrow time frame, 2) with specific reference to acute & chronic insomnia, and 3) using ...
Michael L. Perlis, Ellis, Jason, Ellis, JG, Bastien, Célyne, Espie, Colin, Bastien, Célyne H., Ellis, Jason G., Gardani, M, Bastien, CH, Célyne H. Bastien, Espie, CA, Perlis, Michael L., Colin A. Espie, Perlis, Michael, Gardani, Maria, Jason G. Ellis, Perlis, ML, Espie, Colin A., Maria Gardani   +18 more
core   +1 more source

Kış Uykusu’nu Kant ve Nietzsche Etiği Çerçevesinde Düşünmek

Türkiye İletişim Araştırmaları Dergisi, 2019
Bu makalede Kant’ın ödev ahlakı ile Nietzsche’nin efendi/köle ahlakı anlayışı, felsefenin mutluluk, kötülük sorunsalı bağlamında tartışılarak Nuri Bilge Ceylan’ın 2014 Cannes Film Festivali’nde Altın Palmiye ödülüne layık görülen Kış Uykusu filminin ...
Hatice Sevgi ZENGİN
doaj   +1 more source

Seasonal Changes in Sleep Patterns in Two Saskatchewan First Nation Communities

Clocks & Sleep, 2021
Sleep is crucial for maintaining the recovery and restoration of the body and brain. Less sleep is associated with poor mental and physical performance. Seasonal changes in sleep patterns can be observed.
Chandima P. Karunanayake, Vivian R. Ramsden, Clifford Bird, Jeremy Seeseequasis, Kathleen McMullin, Mark Fenton, Robert Skomro, Shelley Kirychuk, Donna C. Rennie, Brooke P. Russell, Niels Koehncke, Thomas Smith-Windsor, Malcolm King, Sylvia Abonyi, James A. Dosman, Punam Pahwa   +15 more
doaj   +1 more source

Sleep and cognition [PDF]

, 2014
Sleep is an ancestral and primitive behaviour, an important part of life thought to be essential for restoration of body and mind. As adults, we spend approximately a third of our lives asleep and as we progress through life there are certain shifts in ...
Wright, Hayley, Hough, Josie, Josie Hough, Cappuccio, F. P., Hayley Wright, Francesco P. Cappuccio, Cappuccio, Francesco, Michelle A. Miller, Hough, J., Miller, Michelle A., Miller, M. A., Wright, Hayley; id_orcid   +11 more
core   +1 more source

Seasonal Variation in the Responsiveness of the Melanopsin System to Evening Light: Why We Should Report Season When Collecting Data in Human Sleep and Circadian Studies

Clocks & Sleep, 2023
It is well known that variations in light exposure during the day affect light sensitivity in the evening. More daylight reduces sensitivity, and less daylight increases it.
Isabel Schöllhorn, Oliver Stefani, Christine Blume, Christian Cajochen   +3 more
doaj   +1 more source

Seasonal aspects of sleep in the Djungarian hamster

BMC Neuroscience, 2003
Background Changes in photoperiod and ambient temperature trigger seasonal adaptations in the physiology and behaviour of many species, including the Djungarian hamster. Exposure of the hamsters to a short photoperiod and low ambient temperature leads to
Deboer Tom, Palchykova Svitlana, Tobler Irene   +2 more
doaj   +1 more source

Exploring the Impact of Natural Light Exposure on Sleep of Healthy Older Adults: A Field Study

Journal of Daylighting, 2018
Studies among people with dementia demonstrated that the sleep quality and rhythm improves significantly when people are exposed to ambient bright light.
Mariëlle P. J. Aarts, Janny C. Stapel, Toine A. M. C. Schoutens, Joost van Hoof   +3 more
doaj   +1 more source

Seasonal Changes in Sleep Duration in African American and African College Students Living In Washington, D.C.

The Scientific World Journal, 2007
Duration of nocturnal melatonin secretion, a marker of “biological night” that relates to sleep duration, is longer in winter than in summer in patients with seasonal affective disorder (SAD), but not in healthy controls.
Janna Volkov, Kelly J. Rohan, Samina M. Yousufi, Minh-Chau Nguyen, Michael A. Jackson, Courtney M. Thrower, John W. Stiller, Teodor T. Postolache   +7 more
doaj   +1 more source

Why We Sleep: A Hypothesis for an Ultimate or Evolutionary Origin for Sleep and Other Physiological Rhythms

Journal of Circadian Rhythms, 2020
Although sleep is ubiquitous, its evolutionary purpose remains elusive. Though every species of animal, as well as many plants sleep, theories of its origin are purely physiological, e.g. to conserve energy, make repairs or to consolidate learning.
Andrew S. Freiberg
doaj   +1 more source

Effects of a randomized controlled hiking intervention on daily activities, sleep, and stress among adults during the COVID-19 pandemic

BMC Public Health, 2023
Background Physical activity promotes health, and physical activity done outdoors in nature may be particularly beneficial. We conducted two randomized studies to examine the implementation of a winter hiking intervention and whether this intervention ...
Stephanie Anzman-Frasca, Julia Drozdowsky, Callista Zayatz, Katherine Holmbeck   +3 more
doaj   +1 more source