Another word for sleeplessness

Worn out by sleeplessness and anxiety they threw their burden of sorrow on one another and reproached and disputed with each other.

For years he had suffered greatly from sleeplessness.

At the latter place he spent most of his later years; his health was, however, no longer as vigorous as his brain, and he suffered frequently from sleeplessness.

He inured himself to the vicissitudes of heat and cold, and voluntarily suffered the pains or inconveniences of hunger and thirst, fatigue and sleeplessness.

The treatment of plague is still symptomatic. The points requiring most attention are the cerebral symptoms - headache, sleeplessness, delirium, &c. - and the state of the heart.