Question 1
Which statement best describes voluntary muscle activity during sleep?
◦ It does not occur in NREM sleep.
◦ It does not occur during either REM or NREM sleep.
◦ It is at its lowest during REM sleep.
◦ It is at its highest during REM sleep.
Question 2
Which statement does NOT accurately describe REM sleep?
◦ REM sleep is not unique to humans but also occurs in most mammals and birds.
◦ REM sleep does not occur in dolphins
◦ REM sleep involves paralysis of the major muscles of the body.
◦ There is one period during the night in which rapid eye movements are observed in the sleeper, and it is immediately following Stage 4 deep sleep.