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.

Answer: CRationale: When we are deprived of sleep, we typically experience a phenomenon called REM rebound—our brains spend an increased time in REM phase sleep when given the chance.