Lazaro Goes to Bed at 10 P

question 21

Multiple Choice

Lazaro goes to bed at 10 P.M. and quickly falls asleep. He sleeps soundly until 6 A.M. the next morning. During the first four hours of sleep, Lazaro will most likely experience:

• A)long episodes of REM sleep.
• B)stages 3 and 4 NREM sleep.
• C)the complete absence of dreaming.
• D)very light sleep consisting almost entirely of stages 1 and 2 NREM.