Sleep Flashcards
sleep affects the _________
hypothalamus
sleep medications also act on the __________
hypothalamus
without adequate sleep, a patients lifespan may __________
decrease
T/F some stimuli are more effective in waking someone up
true
there are two principal stages of sleep ____ & ___
NREM & REM
____ accounts for 75-80% of sleep
NREM
NREM occurs in stages of increasing ______
depth
during NREM sleep, ____ and ____ movements decrease
eye and body
during NREM sleep there is a _______ in body temperature
decrease
T/F during NREM sleep cerebral blood flow increases
false
T/F NREM is the only time in a 24 hr period where the PNS is completely in control
true
___ sleep accounts for 20-25% of total sleep
REM
REM cycle lengths ________ over an 8 hour sleep with most REM occuring in the last third
increases
REM sleep includes sleep _____; which is aka pseudo-paralysis
atonia
T/F during REM sleep the brain is very active and blood flow to it increases
true
T/F during REM sleep the brain is as active or more when awake
true
bursts of ______ _______, heart rate and respiration happen during REM sleep
blood pressure
most of the consolidation of skills and memory occurs in ___ sleep
REM
the first stage of a normal sleep cycle is ____ aka somnolence, drowsiness or shallow sleep
NREM
the second stage in a normal sleep cycle is NREM _______ _____
light sleep
the third and forth stage of a normal sleep cycle is NREM ______ ______
deep sleep
T/F after stages 3-4-3 occur, the sleep cycle reverts back to stage 2 before going into 1-2 minutes of wakefulness episodes
true
T/F people woken from NREM sleep are often replenished and ready to take on the day
false, they are normally groggy and irritable
up to __% of sleep is stage one NREM
10%