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The Five Stages of Sleep
- Stage 1
- Preparing to drift off into sleep
- Preparing to drift off into sleep
- Stage 2
- Last about 20 seconds, brain
begins to produce activities
such as Sleep Spindles
- Body temperature
drops and heart
rates slow down
- Last about 20 seconds, brain
begins to produce activities
such as Sleep Spindles
- Stage 3
- Deep, brain waves occur
- Transitional period
between heavy and light
sleep
- Deep, brain waves occur
- Stage 4
- Deep sleep lasting about
30 minutes
- Sleep walking and bed
wetting usually occur at
the end of this stage
- Deep sleep lasting about
30 minutes
- Stage 5
- REM sleep occurs
- Dreaming occurs, and muscles
become more relaxed as there
is an increase in brain activity
- REM sleep occurs
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