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The current formal name established in the third edition of the International Classification of Sleep Disorders (ICSD-3) is delayed sleep-wake phase disorder. Earlier, and still common, names include delayed sleep phase disorder (DSPD), delayed sleep phase syndrome (DSPS), delayed sleep phase type (DSPT), and circadian rhythm sleep disorder. [37]
Sleep factors Athens insomnia scale Sleep induction: 0: No problem: 1: Slightly delayed: 2: Markedly delayed: 3: Very delayed or did not sleep at all Awakenings during the night: 0: No problem: 1: Minor problem: 2: Considerable problem: 3: Serious problem or did not sleep at all Final awakening: 0: Not earlier: 1: A little earlier: 2: Markedly ...
Sleep disturbances - insomnia, hypersomnia and delayed sleep-phase disorder - are quite prevalent in severe mental illnesses such as psychotic disorders. [25] In those with schizophrenia, sleep disorders contribute to cognitive deficits in learning and memory. Sleep disturbances often occur before the onset of psychosis.
These include simple sleep studies, polysomnography, multiple sleep latency tests (MSLTs), maintenance of wakefulness tests (MWTs), and home sleep tests (HSTs). In medicine, sleep studies have been useful in identifying and ruling out various sleep disorders. Sleep studies have also been valuable to psychology, in which they have provided ...
Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").
Delayed sleep phase disorder, a circadian rhythm disorder, formerly named DSPS Died without surviving issue , (Latin: d.s.p. suivre ) D'jermaya Solar Power Station , a solar power plant in Chad
Another sleep trait, Delayed Sleep Phase Syndrome (DSPS) was first identified by Elliot Weitzman and colleagues in 1981. Individuals with DSPS typically cannot fall asleep until later and wake up later compared to control groups. They often cannot fall asleep until between 2:00-6:00am, but then have a normal sleep duration.
Print/export Download as PDF ... 307.4 Specific disorders of sleep ... 314 Hyperkinetic syndrome of childhood. 314.0 Simple disturbance of activity and attention ...