insomnia

Link to this page:

insomnia rate this definition:

(Noun) A condition where one is unable to sleep.

Usage: I am feeling very tired today because I suffer from insomnia.

insomnia rate this definition:

sleeplessness

insomnia rate this definition:

(Noun) to inability to sleep

Usage: He was very tired during the day because his insomnia kept him up all night.

insomnia rate this definition:

Difficulty and inability to sleep well. Cannot sleep. Can be a kind of illness that keeps you awake.

insomnia rate this definition:

Fear of sleeping