Slow-wave sleep seems to play a particularly important role in the recuperative effects of sleep. The following is major evidence for this conclusion:
A) People regain only a small portion of their lost sleep following a period of sleep deprivation, but they regain much of their lost stage 4.
B) Most long sleepers get a higher proportion of stage 3 and 4 sleep than short sleepers.
C) Volunteers who have reduced the amount that they sleep each night have often accomplished this without substantially reducing the amount of stages 3 and 4 sleep.
D) all of the above
E) both A and C
Question 2
According to the default theory, REM sleep and
A) slow-wave sleep are similar.
B) delta sleep are similar.
C) wakefulness are similar.
D) dreaming rarely occur together in psychotic patients.
E) dreaming rarely occur together in children.