A characteristic of chronic insomniacs is:

A) feeling as if they are constantly awake.
B) being more productive in the late evening.
C) having a chronic respiratory condition.
D) having a history of migraine headaches.

Chronic Insomniacs

Individuals who experience ongoing difficulties falling asleep, staying asleep, or getting restorative sleep, significantly affecting their daily life.

Respiratory Condition

Any of various medical problems that affect the breathing organs, such as the lungs and airways.

Migraine Headaches

Severe throbbing or pulsating headaches, typically affecting one side of the head, and often accompanied by nausea, vomiting, and sensitivity to light and sound.