John will likely experience REM rebound tonight if he:
A) takes a sleeping pill before bed tonight.
B) drinks too much caffeine prior to sleeping.
C) did not sleep much last night.
D) slept more than 8 hours last night.

Question

John will likely experience REM rebound tonight if he:
A) takes a sleeping pill before bed tonight.
B) drinks too much caffeine prior to sleeping.
C) did not sleep much last night. 
D) slept more than 8 hours last night.

Quizplus · Accepted Answer

REM rebound occurs when a person experiences an increase in the amount and intensity of REM sleep after a period of sleep deprivation. Therefore, if John did not sleep much last night, he is more likely to experience REM rebound tonight. Taking a sleeping pill or sleeping more than 8 hours would not increase the likelihood of REM rebound, and drinking too much caffeine could actually decrease the amount of REM sleep.

John Will Likely Experience REM Rebound Tonight If He