While Barbiturates Are More Likely to Reduce ___(1)___ Sleep, Benzodiazepines

While barbiturates are more likely to reduce ___(1) ___ sleep, benzodiazepines are more likely to disrupt ___(2) ___ sleep.

A) (1) REM; (2) deep
B) (1) deep; (2) REM
C) (1) deep; (2) light
D) (1) nocturnal; (2) diurnal