Topic
Sleep disorder
About: Sleep disorder is a research topic. Over the lifetime, 19380 publications have been published within this topic receiving 884281 citations. The topic is also known as: somnipathy & non-organic sleep disorder.
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TL;DR: Results suggest distinct natural courses of development between DSM-IV insomnia, anxiety, and depression during adolescence, and insomnia may have independent, and potentially etiologically distinct, directional associations with anxiety disorders versus depression.
653 citations
638 citations
TL;DR: In this article, a follow-up study of 198 obstructive sleep apnea patients seen at the Stanford Sleep Disorders Clinic between 1972 and 1980, for whom either tracheostomy (71 patients) or weight loss (127 patients) had been recommended.
636 citations
TL;DR: Results indicate that unrecognized sleep-disordered breathing in the general population is linked to motor vehicle accident occurrence, and if the association is causal, unrecognized Sleep apnea may account for a significant proportion of motor vehicle accidents.
Abstract: Studies have consistently shown that sleep apnea patients have high accident rates, but the generalizability of the association beyond clinic populations has been questioned. The goal of this investigation was to determine if unrecognized sleep-disordered breathing in the general population, ranging from mild to severe, is associated with motor vehicle accidents. The sample comprised 913 employed adults enrolled in an ongoing study of the natural history of sleep-disordered breathing. Sleep-disordered breathing status was determined by overnight in-laboratory polysomnography and motor vehicle accident (MVA) history was obtained from a statewide data base of all traffic violations and accidents from 1988 to 1993. Men with five or more apneas and hypopneas per hour of sleep [apnea-plus-hypopnea index (AHI) > 5], compared to those without sleep-disordered breathing, were significantly more likely to have at least one accident in 5 years (adjusted odds ratio = 3.4 for habitual snorers, 4.2 for AHI 5-15, and 3.4 for AHI > 15). Men and women combined with AHI > 15 (vs. no sleep-disordered breathing) were significantly more likely to have multiple accidents in 5 years (odds ratio = 7.3). These results, free of clinic selection bias, indicate that unrecognized sleep-disordered breathing in the general population is linked to motor vehicle accident occurrence. If the association is causal, unrecognized sleep-disordered breathing may account for a significant proportion of motor vehicle accidents.
635 citations
TL;DR: Subjectively disturbed sleep in patients with insomnia is associated with greater brain metabolism, and daytime fatigue may reflect decreased activity in the prefrontal cortex resulting from inefficient sleep.
Abstract: OBJECTIVE: The authors investigated the neurobiological basis of poor sleep and daytime fatigue in insomnia. METHOD: [18F]Fluorodeoxyglucose positron emission tomography was used to assess regional cerebral glucose metabolism of seven patients with insomnia and 20 healthy subjects. RESULTS: Compared with healthy subjects, patients with insomnia showed greater global cerebral glucose metabolism during sleep and while awake, a smaller decline in relative metabolism from waking to sleep states in wake-promoting regions, and reduced relative metabolism in the prefrontal cortex while awake. CONCLUSIONS: Subjectively disturbed sleep in patients with insomnia is associated with greater brain metabolism. The inability to fall asleep may be related to a failure of arousal mechanisms to decline in activity from waking to sleep states. Further, daytime fatigue may reflect decreased activity in the prefrontal cortex resulting from inefficient sleep.
635 citations