Exam 5:Rest/Sleep Flashcards
when the body is in a decreased state of activity with the consequent feeling of being refreshed is called
rest
the state of rest accompanied by altered level of consciousness and relative inactivity is called
sleep
How many hours of sleep do infants need?
up to 20 hours
How many hours of sleep do school aged children need?
10-12 hours
How many hours of sleep do adults need?
7-9 hours
How many hours of sleep do elderly need?
5-7 hours
Is a person in REM or NREM 75%-80% of all sleep?
NREM
The stage of sleep where it is between sleep and wakefulness, relaxed but still aware of surroundings, involuntary muscle jerking may occur and waken the person, normally lasts only minutes, person can be aroused easily, constitutes about only 5% of total sleep
Stage 1
The stage of sleep where person falls into a stage of sleep, person can be aroused with relative ease, stage constitutes about 50-55% of sleep; REM sleep occurs here
Stage 2
Stage of sleep where depth of sleep increases and arousal becomes increasingly difficult; stage composes about 10% of sleep
Stage 3
Stage of sleep where a person reaches greatest depth of sleep which is called delta sleep, arousal from sleep is difficult; Physiological changes include:slow brain waves,pulse and respiratory rates decrease, BP decreases, muscles are relaxed, metabolism decreases and body temp is low, constitutes about 10% of sleep
Stage 4
REM sleep constitutes how much of sleep?
20-25%
What is the naturally occurring inner rhythm that is sometimes synchronized with something like darkness
Circadian Rhythm
inability to fall/stay asleep
insomnia
the pt gets sleep at night but they are still sleepy during the day related to medical disorders
hypersomnia
