You searched for: “insomniac”
insomniac (s) (noun), insomniacs (pl)
The chronic inability to fall asleep or to remain asleep for an adequate length of time: Janet had insomniac problems regarding sleeping at night because she was constantly haunted by the fact that she couldn't pay back her loan debts.
2. A person who cannot sleep even when he or she is sleepy: Being an insomniac, and so not being able to go to sleep even when he tried to, Harvey decided to go to the bank and seek financial help to solve his payment problems because they were constantly on his mind.
Can an insomniac be fined for resisting a rest?
—Graffiti
This entry is located in the following units: -ac (page 2) somni-, somno-, somn-, -somnia, -somniac (page 1)
insomniac (adjective), more insomniac, most insomniac
Pertaining to the inability to sleep: Karen often suffered from insomniac conditions; especially, since she has been under stress as a result of the pressures she has been under to keep up with her university studies and working part time in order to finance her educational expenses.
A man is twisting and turning in bed with insomnia.

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A person will die from total lack of sleep sooner than from starvation. Death will occur after about ten days without sleep; starvation takes a few weeks. A no-sleep death is no gradual fade away affair—it is preceded by insanity.

—A quote from The Body Almanac by Neil McAleer;
Doubleday & Company, Inc.; Garden City, New York; 1985; page 24.
This entry is located in the following unit: somni-, somno-, somn-, -somnia, -somniac (page 1)