Medical Definition of Sleep stages

1. Periods of sleep manifested by changes in eeg activity and certain behavioural correlates; includes stage 1: sleep onset, drowsy sleep; stage 2: light sleep; stages 3 and 4: delta sleep, light sleep, deep sleep, telencephalic sleep. (12 Dec 1998)

Sleep Stages Pictures

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Lexicographical Neighbors of Sleep Stages

sleep in
sleep late
sleep like a baby
sleep like a log
sleep mask
sleep mode
sleep off
sleep on
sleep on it
sleep out
sleep over
sleep paralysis
sleep phase delay syndrome
sleep schedule
sleep spindle
sleep stages (current term)
sleep talking
sleep terror
sleep terror disorder
sleep tight
sleep under the same bridge
sleep with the fishes

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