Chapter 34 - Sleep and Rest Flashcards
Sleep?
Naturally occurs as a temporary perceptual disengagement from and unresponsiveness to environmental surroundings
Rest?
Involves relaxation of the total body or part of the body while remaining awake and aware of environmental surroundings
Most individuals benefit the most from sleeping when?
at night
Consequence of sleep deficiency #1
Reduced attention and task performance, memory lapses and altered mood
Consequence of sleep deficiency #2
Increased Blood Pressure
Consequence of sleep deficiency #3
Reduced blood levels of growth hormone and prolactin
Consequence of sleep deficiency #4
Altered glucose metabolism and appetite regulation
Consequence of sleep deficiency #5
Higher blood levels of inflammatory cytokines and cortisol during evening hours
Consequence of sleep deficiency #6
Possible link between development of chronic disease and obesity
______ constitutes 80% of total sleep
Non-rapid eye movement (NREM) sleep
What happens in stage N1 of NREM
Transitional stage between drowsiness and sleep
What happens in stage N2 of NREM
Constitutes 40% to 50% of a nights sleep time
What happens in stage N3 of NREM
(slow-wave sleep; delta sleep)
Dreams very realistic if they occur
Somnambulism and enuresis are most likely to occur
What stage of NREM sleep is Somnambulism and enuresis most likely to occur?
N3 of NREM
REM sleep makes up what percentage of total sleep?
20% of total sleep
