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Sleep

Ch. 30 Nsng 105

QuestionAnswer
SLEEP CH. 30 NSG 105 what is sleep altered state of consciousness that recurs for sustained periods
what is the circadian rhythm 24 hr day-night cycle, also known as diurnal cycle, biological clock
Sleep-wake is a dual process that has two distinct states and depend on 1. neurons on brain stem reticular formation make wakefulness 2. neurons on PSNS control centers make state of sleep
What are the two phases of sleep NREM, REM
what 4 stages are involved in NREM lasts 90 min Stage 1-2: lighter sleep, aroused Stage 3-4: slow wave sleep
When is REM sleep at end of ea 90 min. sleep, incr brain activity, no stages
What begins a sleep cycle presleep- 10-30 min
how many cycles of sleep do normal people pass through 4-6 sleep cycles 4 stages of NREM and a period of REM Ea cycle lasts about 90-110 min.
how does the cyclical pattern flow Progress from Stage 1-4 of NREM, then reversal from stage 4-3-2 ending with REM sleep. Ea stage 3/4 shorten and REM lengthens lasting up to 60 min during last sleep cycle
Describe Stage 1 lightest level, lasts few min., easily aroused, feels like daydreaming occured on awakening
Stage 2 of sleep cycle period of sound sleep, easy arousal, lasts 10-20min., slowing body fx
Stage 3 of sleep cycle initial stages of deep sleep, lasts 15-30 min., VS decline/reg, muscles completely relax, difficult to arouse
Stage 4 of sleep cycle deepest stage of sleep, lasts 15-30min., not aroused, will spend time here if sleep loss occured, VS really lower to 60bpm, sleepwalking/enuresis
REM sleep cycle vivid, full color dreaming, begins 90 min after sleep, lasts 20 min. rapid eye mvmt, loss of skeletal muscle tone, gastric secretions decr, not aroused
pysiologically, what happens to the body during sleep and which stage is this happening stage 4- body releases human growth hormone, brain cells, protein synthesis, cell division, immunity REM good for brain tissue/cognitive restoration, loss leads to confusion/disorientation
How are dreams helpful good for learning, memory processing, adapt to stress, help sort immediate concerns or erase memories
The neonate and infant to 3 mos get how much sleep 16 hrs/day; 50% is REM
Infants after 3mos get how much sleep 9-11 hrs/day; 30% in REM
Two years get how much sleep 12 hrs/day; falling REM sleep
Preschooler gets how much sleep 12 hrs; 30% REM
By 6 yrs, how much sleep 11 yr old gets how much sleep adolescents: Teen: young adults 6yrs: 11-12 hrs 11yrs:9-10 hrs adol: 8.5-9.5 hrs teen: 7.5 hrs young adults: 6-8.5 hrs; 20% REM
What is EDS excessive daytime sleepiness, teens
Older adults and sleep What is "phase advance" 65 and older- 50% less sleep more stage 1 than 3 or 4 some no NREM stage 4, shorter REM -get sleepy early in evening
Factors that affect sleep physical illness, drugs, lifestyle, EDS, emotional stress, env, sound, excercise/fatigue(w/in 2 hrs promotes), food intake
Typical illnesses disturbing sleep Resp disease, CAD, HTN, hypothyroidism, nocturia, gastric reflux, depression, perimenopause, pain
Narcotics and hypnotics do what to sleep suppress REM sleep
What are some sleep disorders insomnia, sleep apneas, OSA(obstructive sleep apnea)- narcolepsy, hypersomnia; parasomnias- sleepwalking, sleep terrors, bruxism(teeth grinding), SIDS; circadian disorders, movmt disorders, other
what is treatment of choice for sleep apnea CPAP-continuous positive airway pressure
what is narcolepsy CNS dysfx that regulate sleep/wake states drug of choice: Pervigil
what is cataplexy sudden muscle weakness at any time, can fall to floor or out of chair
What are good assessment questions 1. sleep log 2. nature of problem, ss/sx, onset/duration, severity, predisposing factors, effect on pt
What can a nurse do to promote sleep in acute setting mgmt env., safety, comfort, routine, promote activity, bedtime snack(milk, cheese- l-tryptophan)
Created by: palmerag
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