Sleep CH 45 Test 2 Flashcards

Light sleep body
Terms Definitions
Factors affecting sleep
Illness, environment, lifestyle, emotional stress, stimulants and alcohol, diet, smoking, motivation, medication.
An altered state of consciousness in which the individuals perception of and reaction to the environment are decreased.
Circadian rhythms
A daily cycle of biological activity based on a 24-hour period and influenced by regular variations in the environment, such as the alternation of night and day.
Non-rapid eye movement
Rapid eye movement
NREM Stage I
Stage of very light sleep that only last a few minutes. Personae feels drowsy and relaxed eyes roll from side to side, heart and respiratory rates drop slowly.
Light sleep body processes continue to slow down. Eyes are generally still. Heart and respiratory rates and temperature falls. Only last 10-15 min but constitutes 44-55% of total sleep.
NREM Stage III and IV
Deepest stages of sleep, differing only in the percentage of delta waves recorded during a 30 second period. Heart and respiratory rates drop 20-30% more difficult to arouse snoring is most likely to occur.
REM Sleep
Usually recurs about every 90 minutes and last 5 to 30 minutes. Most dreams take place during this but usually is not remembered unless the person arouses brief,y at the end of this period.
Inability to fall asleep or remain asleep.
Refers to the condition where the affected individual obtains sufficient sleep at night but still cannot stay awake during the day. Can be caused by CNS damage, and certain kidney, liver, or metabolism disorders. Such as diabetic acidosis and hypothyroidism.
Is a disorder of excessive daytime sleepiness caused by the lack of chemical hypocretin in the area of CNS that regulates sleep.
Sleep apnea
Is characterized by frequent short pauses in breathing pauses during sleep.
Insufficient sleep
People who obtain less sleep than they need.
Behavior that may interfere with sleep and may even occur during sleep. Sleep walking, sleep talking, sleep terrors.
Nursing management assessment
Sleep history, health history, physical exam, sleep diary, diagnosis studies,
Risk for injury, ineffective coping, fatigue, imparted gas exchange, deficient knowledge, anxiety, activity intolerance.
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