Wednesday, December 21, 2005

Stage of Sleep for human

Awake : Low Voltage, Random, Fast
REM (rapid eye movement) Sleep (D Sleep, desynchronous) : Low voltage, Random, Fast
Drowsy : 8 to 12 Hz, Alpha waves
Stage 1 : 3 to 7 Hz, Theta waves
Stage 2 : 12 to 14 Hz, Sleep Spindles and K Complexes
Delta Sleep (S Sleep, synchronous or slow-wave), 0.5 to 2 Hz, High voltage, Delta waves

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