منابع مشابه
Circadian rhythm disturbances in depressiony
Objective The aim of this article is to review progress in understanding the mechanisms that underlie circadian and sleep rhythms, and their role in the pathogenesis and treatment of depression. Methods Literature was selected principally by Medline searches, and additional reports were identified based on ongoing research activities in the authors’ laboratory. Results Many physiological proces...
متن کاملCircadian rhythm sleep disorders.
Circadian rhythm sleep disorders are common conditions manifested as misalignment between the sleep period and the physical/social 24-h environmental cycle. Delayed sleep phase (typical in adolescents) and advanced sleep phase (frequent in the elderly), situations in which the sleep period is displaced to a later or earlier time, respectively, are the two most prevalent circadian rhythm sleep d...
متن کاملCircadian rhythm abnormalities.
PURPOSE This article reviews the recent advances in understanding of the fundamental properties of circadian rhythms and discusses the clinical features, diagnosis, and treatment of circadian rhythm sleep disorders (CRSDs). RECENT FINDINGS Recent evidence strongly points to the ubiquitous influence of circadian timing in nearly all physiologic functions. Thus, in addition to the prominent sle...
متن کاملCircadian Rhythm Sleep Disorders
Though the theories on the reasons why humans need to sleep vary, there is no disagreement that sleep is essential to our wellbeing and survival. External and internal physiological parameters dictate our own individual body “clocks,” or circadian rhythms. Typically, this clock runs very close to a 24-hour cycle of sleep and wakefulness. However, for some individuals, this clock can be slightly...
متن کاملCircadian Rhythm Models
Many organisms, including animals, plants, and cyanobacteria, undergo 24 h rhythms in physiology and behavior, and these rhythms persist in constant dark conditions. Therefore, self-sustaining internal oscillators with periods of approximately 24 h must have evolved in these organisms. The operation of complex biological systems, such as these circadian oscillators, is generally too complex to ...
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ژورنال
عنوان ژورنال: Journal of Sleep Research
سال: 2009
ISSN: 0962-1105,1365-2869
DOI: 10.1111/j.1365-2869.2008.00727.x