Sleep Flashcards
1
Q
What is the major sleep center?
A
Hypothalamus
2
Q
Sleep is associated with changes in the
A
peripheral nervous, endocrine, cardiovascular, respiratory muscular systems.
3
Q
Sleep cycle lasts:
A
90-100 minutes
4
Q
Sleep goes through
A
stages 1 to 4
then reversal from 4 to 3
to 2, followed by REM
5
Q
Once asleep:
A
the person usually passes through 4 or 5 complete sleep cycles per night
6
Q
What stage of sleep is the deepest?
A
4
7
Q
With each successive cycle stages
A
3 and 4 shorten
8
Q
Factors influencing sleep
A
Drug & substances Lifestyle Usual sleep patterns Emo stress exercise & fatigue Environment Food & calorie intake
