Stages of Sleep Flashcards by Skyler Litttle Axe

Q

Stage 1

A

Lasts about 10 mins
Beta waves (thinking) - Alpha waves (slower) - theta waves (sleep)

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Q

Stage 2

A

About 20 mins
Sleep spindles

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Q

Stage 3

A

About 30 mins
Delta Waves - Deep sleep

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Q

Stage 4

A

REM
Dreams - Random Spikes 20mins

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