The nurse explains that older adults often experience a disturbed sleep-wake cycle because of hormonal changes, which include:
a. increase in angiotensin level.
b. decrease in insulin level.
c. increase in growth hormone level.
d. decrease in melatonin level.
Question 2
The phenomenon of sleep walking is most likely to occur in the sleep stage of:
a. stage 1 NREM.
b. stage 2 NREM.
c. stage 4 NREM.
d. REM sleep.