AskDefine | Define sleepless

Dictionary Definition

sleepless adj
1 experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare [syn: insomniac, watchful]
2 without having the eyes closed or covered by the eyelids; "to an eye like mine, a lidless watcher of the public weal"- Alfred Tennyson [syn: lidless]

User Contributed Dictionary



  1. Characterized by an absence of sleep.
    I spent a sleepless night worrying about the exams.

Derived terms


Extensive Definition

Sleepless may refer to:
In film and television:
In music:

See also

  • Insomnia, a sleeping disorder characterized by persistent difficulty falling or staying asleep

Synonyms, Antonyms and Related Words

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