stages of sleep
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Stage 1
Between wakefulness and sleep
head bobbing muscles relax
Up to 10 min
Pusle and breathing decrease
Theta waves appear
if awakened you might not think you fell asleep
Stage 2
Transition towards deep sleep
10-25min
Eyes begin to roll
Body temperature drops
Sleep spindles\rapid brainwave
Stage 3
Deepest stage of sleep
20-40min
Delta waves
Sleepwalking,talking, and dreaming
Difficult to awake
Most restorative
Stage 4
REM Sleep 5-60min
Rapid eye movement
Brain looks like it’s in an awakened state
Most dreaming occurs
If awakened will feel extra tired
Arm and leg muscles will be paralyzed.
Nrem
Non rapid eye movement 1-3 stages
How much time to humans spend sleeping
1/3 of their life
How long is the whole sleep cycle?
90-120 minutes
Note 
Flashcards (40)