What is sleep with?

Some articles on sleep:

Sleep in Non-humans
... Neurological sleep states can be difficult to detect in some animals ... In these cases, sleep may be defined using behavioral characteristics such as minimal movement, postures typical for the species, and reduced responsiveness to external ... Sleep is quickly reversible, as opposed to hibernation or coma, and sleep deprivation is followed by longer or deeper rebound sleep ...
Dorsal Raphe Nucleus - Role in Narcolepsy
... this is logical, as the raphe nuclei have been known to play a role in the sleep/wake cycle ... thought to be a dissociation of what normally happens during REM sleep, when all muscle tone is lost except for the eyes ... waking hours, partially active during non-REM sleep, and have almost ceased during REM sleep ...
Fiction (The Comsat Angels Album)
... Fiction was less gloomy than the Comsats' previous album, Sleep No More ... the change "I certainly didn't want to make another record as intense as Sleep No More — at least not immediately ... Sleep No More was so dark that I felt it skewed things a bit — possibly even mentally for me ...
Go To Sleep (disambiguation)
... "Go to Sleep" is a song by Radiohead ... Go to Sleep or Go 2 Sleep may also refer to "Go to Sleep" (Lupe Fiasco song) "Go to Sleep", a song by Barbra Streisand from the film On a Clear Day You Can See Forever "Go to Sleep", a song by Eminem, DMX, and ...
May 2005 In Science - May 1, 2005
... in order to wake up its owner only when he has emerged from deep sleep ... The clock, called SleepSmart, measures the sleep cycle and waits until its owner is in his lightest phase of sleep before rousing him ...

Famous quotes containing the word sleep:

    The City is of Night, but not of Sleep;
    There sweet sleep is not for the weary brain;
    The pitiless hours like years and ages creep,
    James Thomson (1834–1882)

    Sweet is it, sweet is it
    To sleep in the coolness
    Of snug unawareness.
    Gwendolyn Brooks (b. 1917)