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sleep/rest ch.43
sleep/rest chap 43 fundamentals
Question | Answer |
---|---|
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 |