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sleep/rest ch.43

sleep/rest chap 43 fundamentals

stage 1 NREM;lighest level;awakening seems like daydreaming;person may say they were not sleeping
stage 2 NREM; 10-20 minutes;sound sleep; awake easily;may say they were daydreaming or thinking
stage 3 initial deep sleep;15-30min;difficult to arouse;rare movement; delta; muscles relaxed but tone is maintained; GH and serotonin are released;
stage 4 NREM;very difficult to arouse;15-30 minutes sleep walking(somnambulism) or enuresis;bp,T, pulse rate, urine secretion, o2 consumption of muscles are decreased;growth hormone released; snoring may occur.
REM sleep muscles lowest tone; BP pulse, vaginal secretions, cerebral blood flow, and oxygen consumption increased; respirations flucuate;
sleep latency when a person requires 10 to 30 minutes to fall asleep.
changing of postition usually occurs how many times in a night? 20 to 40
circadian rhythms biologicial rhythms that follow a cycle of about 24 hours
sleepiness refers to an urge of varying intensity to go to sleep
fatigue is a subjective state of weariness in which intense or rapid tiring accompanies physical acitivty.
newborns and infants need how many hours of sleep? 16 to 17 hours (15hours)
toddlers need how many hours of sleep? 12 hours
school aged children need how many hours of sleep? 11 hours
adolescents needs how many hours of sleep? 7.5hours
young adults need how many hours of sleep? 6-8.5hrs
middle or older adults need how many hours of sleep? 6-8 hours
insomnia is a perceived difficulty sleeping
narcolepsy is a disorder of excessive daytime sleepiness characterized by short, almost irresistible daytime sleep attacks, usually lasting 10 to 15 minutes and abnormal REM
sleep is a naturally occuring altered state of consciousness characterized by decreases in awareness and responsiveness to stimuli
rest awareness of the enviroment is maintained, but motor or cognitive response is decreased.
polysomnogram shows the five sleep stages
Created by: sandrasafou1
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