Insomnia is defined
A) as the inability to fall asleep within 5 minutes of going to bed.
B) as awakening four or more times during the night.
C) as a problem in rapidly reaching REM sleep.
D) in relation to a person's particular sleep needs.
E) as a relative lack of slow-wave sleep compared to REM sleep.

Question

Quizplus · Accepted Answer

Insomnia is defined as a subjective complaint of difficulty falling asleep, staying asleep, or having non-restorative sleep that lasts for at least three nights per week for at least three months and causes significant distress or impairment in social, occupational, or other areas of functioning. It is defined in relation to an individual's particular sleep needs, rather than a specific time or amount of sleep. Therefore, choice D is the correct answer.

Insomnia Is Defined