Results 11 to 20 of about 18,395,903 (215)

Rhythmicity in heart rate and its surges usher a special period of sleep, a likely home for PGO waves

open access: yesCurrent Research in Physiology, 2022
High amplitude electroencephalogram (EEG) events, like unitary K-complex (KC), are used to partition sleep into stages and hence define the hypnogram, a key instrument of sleep medicine.
Andreas A. Ioannides   +2 more
doaj   +1 more source

Sleep and cognition [PDF]

open access: yes, 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   +11 more
core   +1 more source

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

open access: yes, 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   +18 more
core   +1 more source

Investigating the potential link between lunar cycle and multiple sclerosis relapses: a call for further studies

open access: yesLibyan Journal of Medicine, 2023
Multiple sclerosis (MS) is a debilitating disease that causes inflammation of the central nervous system, resulting in myelin damage and axon degeneration.
Narimen Yousfi   +3 more
doaj   +1 more source

Light-enhanced cognitive behavioural therapy for sleep and fatigue: study protocol for a randomised controlled trial during chemotherapy for breast cancer

open access: yesTrials, 2020
Background Women with breast cancer experience a significantly higher prevalence of sleep disturbance and insomnia than the general population. The experience of persistent sleep disturbance places these women at a higher risk of psychological and ...
Helena R. Bean   +8 more
doaj   +1 more source

Restless legs syndrome in an elderly patient induced by combined use of low dose quetiapine and citalopram

open access: yesPsychiatry and Clinical Psychopharmacology, 2021
Restless legs syndrome (RLS) is a relatively common sensory-motor disorder. However, it is frequently unrecognized. The main clinical characteristics of RLS are “an urge to move” and “uncomfortable and unpleasant sensations” in the legs, which can ...
Sadiye Visal Buturak   +4 more
doaj   +1 more source

Circadian and ultradian NREM-REM sleep modulation of dream recall : effects of age and spectral activity [PDF]

open access: yes, 2011
This thesis deals with the electrophysiological correlates of sleep prior to dream recall and the age-related effects on dream processing. The dual NREM/REM sleep cycle and the circadian modulation of REM sleep sum to generate dream processing.
Laxhmi Chellappa, Sarah
core   +1 more source

Benzodiazepines: Uses, Dangers, and Clinical Considerations

open access: yesNeurology International, 2021
Benzodiazepines (BZDs) are among one of the most widely prescribed drug classes in the United States. BZDs are a class of psychoactive drugs known for their depressant effect on the central nervous system (CNS).
Amber N. Edinoff   +8 more
doaj   +1 more source

The darkness and the light: diurnal rodent models for seasonal affective disorder

open access: yesDisease Models & Mechanisms, 2021
The development of animal models is a critical step for exploring the underlying pathophysiological mechanisms of major affective disorders and for evaluating potential therapeutic approaches.
Anusha Shankar, Cory T. Williams
doaj   +1 more source

REM sleep deprivation during 5 hours leads to an immediate REM sleep rebound and to suppression of non-REM sleep intensity [PDF]

open access: yes, 1990
Nine healthy male subjects were deprived of REM sleep during the first 5 h after sleep onset. Afterwards recovery sleep was undisturbed. During the deprivation period the non-REM EEG power spectrum was reduced when compared to baseline for the ...
Dijk, D.J.,   +11 more
core   +2 more sources

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