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 ?
For the network with microsleep capable base stations, the corresponding figures are 3.5 kW/km2 at low loads and can reach 5 kW/km2 at high loads.
But new research, published in the journal Nature, suggests that even before the "microsleep" stage, brains may be impaired by sleep-like activity.
The term microsleep is used to describe brief episodes of sleep (lasting just a few seconds) that invade the waking state.
earlier this year identified a microsleep -when people nod off or go on to autopilot for between two and 30 seconds without even realising it -as a major contributory factor to these statistics.
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.
A TRAM driver who derailed, killing seven, had likely drifted into a "microsleep" according to the official accident report.
None provided microsleep structure or arousals [Table 1].{Table 1}
father is the butcher, mother cooks the meat, Johnnie rocks the cradle, while baby goes to sleep ..." And suddenly, Frank had what we would term today as a microsleep - he dozed off to the eerie lullaby as he felt a hand stroke his head.
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.
The court heard McDonald had suffered "microsleep" and had dozed off for several seconds.