What is "sleep disorders"

Usage examples of "sleep disorders".

Lis owned exactly twenty-two books on sleep disorders and insomnia.

Deadlines produce stress, which increases blood pressure, causes headaches, heartburn, sleep disorders.

And your biochemistry--evidence of extreme stress, sensory deprivation, considerable weight loss, sleep disorders, adrenal excess--shall I go on?

And your biochemistry-evidence of extreme stress, sensory deprivation, considerable weight loss, sleep disorders, adrenal excess-shall I go on?

Doctors who specialize in sleep disorders tell us that our dreams are of surprisingly short duration.