1.5B) Sleep Stages and Theories
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24 Terms
circadian rhythm
a person’s sleep wake cycle about a day
a person’s sleep wake cycle about a day
circadian rhythm
circadium rhythm disruptions
jetlag and alarms
jetlags and alarms
circadium rhythm disruptions
NREM 1
the first 10 minutes where the heart rate slows and hypnagogic sensations occur
the first 10 minutes where the heart rate slows and hypnagogic sensations occur
NREM 1
NREM 2
20 minutes where it’s relatively easy to wake up from and sleep spindles occur
20 minutes where it’s relatively easy to wake up from and sleep spindles occur
NREM 2
sleep spindles
bursts a rapid brain activity
bursts a rapid brain activity
sleep spindles
NREM 3
30 minutes where it’s hard to wake up from and there’s slow delta waves, children wet the bed
30 minutes where it’s hard to wake up from and there’s slow delta waves, children wet the bed
NREM 3
REM
A 90 minute sleep cycle where NREM 3 periods get shorter, NREM 2 and REM get longer, REM Rebound
A 90 minute sleep cycle where NREM 3 periods get shorter, NREM 2 and REM get longer, REM Rebound
REM
Paradoxical Sleep
Brain is aroused, body is calm in REM
Brain is aroused, body is calm in REM
REM
Sleep paralysis
motor cortex is blocked during REM
motor cortex is blocked during REM
Sleep Paralysis
Recuperation
gets rid of toxic waste, prune and strengthens neural connections
gets rid of toxic waste, prune and strengthens neural connections
Recuperation
Memory
transfers from hippocampus to cortex
transfers from hippocampus to cortex
memory
growth
pituitary gland releases growth hormone
pituitary gland releases growth hormone
growth