Results 21 to 30 of about 1,833,255 (278)

Human Circadian Phase Estimation from Signals Collected in Ambulatory Conditions Using an Autoregressive Model [PDF]

open access: yes, 2013
Phase estimation of the human circadian rhythm is a topic that has been explored using various modeling approaches. The current models range from physiological to mathematical, all attempting to estimate the circadian phase from different physiological ...
Gil, Enrique A   +12 more
core   +1 more source

Circadian and homeostatic sleep regulation in humans : effects of age and monochromatic light [PDF]

open access: yes, 2006
The first part of this thesis deals with age-related modifications in the circadian and homeostatic sleep regulation, whereas in the second part, the effects of an evening exposure to monochromatic light on subsequent sleep architecture and sleep ...
Münch, Mirjam
core   +1 more source

Polymorphisms in the circadian expressed genes PER3 and ARNTL2 are associated with diurnal preference and GNβ3 with sleep measures [PDF]

open access: yes, 2014
Sleep and circadian rhythms are intrinsically linked, with several sleep traits, including sleep timing and duration, influenced by both sleep homeostasis and the circadian phase.
Lester, Kathryn   +34 more
core   +1 more source

Clinical sleep-wake disorders II: Focus on insomnia and circadian rhythm sleep disorders. [PDF]

open access: yes, 2019
Insomnia and circadian rhythm sleep disorders affect large proportions of the population and have pronounced effects on quality of life and daytime performance.
Spiegelhalder, Kai   +2 more
core   +1 more source

Current role and future perspectives of electroacupuncture in circadian rhythm regulation

open access: yesHeliyon, 2023
In recent years, in-depth research on chronobiology has been conducted, and the circadian rhythm has become a new target for the treatment of diseases. Circadian rhythms are closely related to the normal physiological functions of organisms.
Min Yuan   +5 more
doaj   +1 more source

Circadian rhythms and sleep in bipolar disorder [PDF]

open access: yesBipolar Disorders, 2010
Murray G, Harvey A. Circadian rhythms and sleep in bipolar disorder.
Bipolar Disord 2010: 12: 459–472. © 2010 The Authors. Journal compilation © 2010 John Wiley & Sons A/S.Objective:  Biological rhythm pathways are highlighted in a number of etiological models of bipolar disorder, and the management of circadian instability appears in consensus ...
Murray, Greg, Harvey, Allison
openaire   +3 more sources

The impact of sleep pressure, circadian phase and an ADA-polymorphism on working memory: a behavioral, electrophysiological, neuroimaging approach [PDF]

open access: yes, 2015
The need for sleep, the so-called sleep pressure, increases continuously during wakefulness and decreases during sleep again, in particular during intense deep sleep (Borbely, 1982).
Reichert, Carolin Franziska
core   +1 more source

Melatonin-related dysfunction in chronic restraint stress triggers sleep disorders in mice

open access: yesFrontiers in Pharmacology, 2023
Stress may trigger sleep disorders and are also risk factors for depression. The study explored the melatonin-related mechanisms of stress-associated sleep disorders on a mouse model of chronic stress by exploring the alteration in sleep architecture ...
Tian-Ji Xia   +12 more
doaj   +1 more source

Circadian Rhythms, Sleep, and Disorders of Aging [PDF]

open access: yesTrends in Endocrinology & Metabolism, 2016
Sleep-wake cycles are known to be disrupted in people with neurodegenerative disorders. These findings are now supported by data from animal models for some of these disorders, raising the question of whether the disrupted sleep/circadian regulation contributes to the loss of neural function. As circadian rhythms and sleep consolidation also break down
Joanna, Mattis, Amita, Sehgal
openaire   +2 more sources

Modeling circadian and sleep-homeostatic effects on short-term interval timing [PDF]

open access: yes, 2015
Short-term interval timing i.e., perception and action relating to durations in the seconds range, has been suggested to display time-of-day as well as wake dependent fluctuations due to circadian and sleep-homeostatic changes to the rate at which an ...
Jakub eSpäti   +23 more
core   +1 more source

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