microsleep


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microsleep

(mī′krə-slēp′)
n.
A period of sleep that lasts up to a few seconds, usually experienced by people who have narcolepsy or are severely deprived of sleep.
A brief episode of sleep of precipitous onset, lasting from a fraction of a second to 30 seconds. It occurs in night-shift fatigue, and is associated with excess daytime sleepiness and automatic behaviour
Aetiology Sleep deprivation, mental fatigue, sleep apnea, hypoxia, narcolepsy, or hypersomnia

microsleep

Nodding Sleep disorders A brief episode of sleep lasting a few secs, which occurs in night-shift fatigue; it is associated with excess daytime sleepiness and automatic behavior. See Circadian rhythm, Libby Zion, Night-shift fatigue, Sleep disorders.
References in periodicals archive ?
Thus they have discovered that most people frequently and repeatedly enter into short microsleep periods lasting from thirty seconds to three minutes, which are clearly indicated by their brain waves but of which they themselves are totally unaware.
It can also lead to microsleep, where employees fall asleep for a second or two during the day without even realizing it.
His theory of wakefulness would seem to be contradicted, however, by such phenomena as the common experience of tiredness and the need for microsleep around midafternoon "siesta" time and the increased wakefulness during the "forbidden sleep zone" following an early evening meal.
Sometimes while doing differentials, I would suddenly find my eyes hitting the oculars as a result of a microsleep.
Our LDW system can combat the dangerous phenomena known as microsleep or driver distraction where vehicles unintentionally stray into oncoming traffic," Fischer added.
They have discovered that most people frequently and repeatedly enter into short microsleep periods, which are clearly indicated by their brain waves but of which they themselves are totally unaware.
Polysomnographic monitoring electrodes, which indicate when a subject exhibits microsleep (1- to 15-second episodes of Stage 1, or first-level sleep), were applied to all the subjects at the beginning of the study and remained on continuously for the entire study period.
LDW helps to combat dangerous phenomena such as microsleep or driver distraction which might cause a vehicle to unintentionally stray into oncoming traffic.
And then there are recently recognized scientific elements like sleep apnea, microsleep, circadian rhythms, and so forth.
It is also possible to fall into a 3-4 second microsleep without realizing it.