Sleep stage

This crossword clue is for the definition: Sleep stage.
it’s A 11 letters crossword puzzle definition.
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Possible Answers: REM.

Last seen on: LA Times Crossword 24 Dec 18, Monday

Random information on the term “Sleep stage”:

A micro-sleep (MS) is a temporary episode of sleep or drowsiness which may last for a fraction of a second or up to 30 seconds where an individual fails to respond to some arbitrary sensory input and becomes unconscious.[1][2] MSs occur when an individual loses awareness and subsequently gains awareness after a brief lapse in consciousness, or when there are sudden shifts between states of wakefulness and sleep. In behavioral terms, MSs manifest as droopy eyes, slow eyelid-closure, and head nodding.[2] In electrical terms, microsleeps are often classified as a shift in electroencephalography (EEG) during which 4–7 Hz (theta wave) activity replaces the waking 8–13 Hz (alpha wave) background rhythm.[3]


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MSs often occur as a result of sleep deprivation, though normal non-sleep deprived individuals can also experience MSs during monotonous tasks.[4] Some experts define microsleep according to behavioral criteria (head nods, drooping eyelids, etc.), while others rely on EEG markers.[5] Since there are many ways to detect MSs in a variety of contexts there is little agreement on how best to identify and classify microsleep episodes.

Sleep stage on Wikipedia

Random information on the term “REM”:

R.E.M. was an American rock band from Athens, Georgia, that was formed in 1980 by drummer Bill Berry, guitarist Peter Buck, bassist/backing vocalist Mike Mills, and lead vocalist Michael Stipe. One of the first alternative rock bands, R.E.M. was noted for Buck’s ringing, arpeggiated guitar style, Stipe’s distinctive vocal quality and obscure lyrics, Mills’ melodic basslines and backing vocals, and Berry’s tight, economical style of drumming. R.E.M. released its first single—”Radio Free Europe”—in 1981 on the independent record label Hib-Tone. The single was followed by the Chronic Town EP in 1982, the band’s first release on I.R.S. Records. In 1983, the group released its critically acclaimed debut album, Murmur, and built its reputation over the next few years through subsequent releases, constant touring, and the support of college radio. Following years of underground success, R.E.M. achieved a mainstream hit in 1987 with the single “The One I Love”. The group signed to Warner Bros. Records in 1988, and began to espouse political and environmental concerns while playing large arenas worldwide.

REM on Wikipedia