Sleep deprivation studies suggest that sleep is important for:
a. performance of mental tasks.
b. rest and recuperation of the body.
c. the ability to perform physically stressful duties.
d. performance of exercise.
Question 2
As Darius is sleeping, his dog begins to bark. As a result, his brain emits several sudden sharp waveforms known as:
a. hypnic jerks.
b. sleep spindles.
c. K complexes.
d. alpha wave activity.