Ivan Has Always Been Very Slow to Wake Up in the Morning,and

Multiple Choice

Ivan has always been very slow to wake up in the morning,and you really want to stay out of his way until he has time to pull himself together,drink his morning coffee,and read the newspaper.This is characteristic of someone with

A) sleep-wake schedule disorder.
B) sleep drunkenness.
C) hypersomnia.
D) narcolepsy.