Nat Is a Middle-Aged Man Who Is Suffering from Insomnia

Multiple Choice

Nat is a middle-aged man who is suffering from insomnia as well as daytime sleepiness.At the sleep lab, the doctor finds that the underlying cause of Nat's problems is that he stops breathing in his sleep, awakens slightly to gulp in air, then goes back to sleep almost 50 or 60 times a night.Nat's daytime sleepiness and poor quality sleep are the result of which sleep disorder?

A) narcolepsy
B) sleep apnea
C) somnambulism
D) REM behavior disorder