insomnia

About 2.04 uses per million words.

Meaning

1. noun A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.

   My mother suffers from insomnia.

2. noun Temporary inability to sleep.

Similar words

agrypnia sleeplessness sleepiness sleep night wakefulness wakeful sleepless unsleeping restlessness

Often followed by

and is or in may are of that was

Word family

insomnias