sleepless

play
adjective sleep·less \ˈslēp-ləs\

Definition of sleepless

  1. 1 :  not able to sleep lay sleepless with fever

  2. 2 :  affording no sleep sleepless nights

  3. 3 :  unceasingly active or operative sleepless casinos

sleeplessly

adverb

sleeplessness

noun

Examples of sleepless in a Sentence

  1. He lay sleepless in bed.

15th Century

First Known Use of sleepless

15th century


SLEEPLESS Defined for English Language Learners

sleepless

play
adjective sleep·less \ˈslēp-ləs\

Definition of sleepless for English Language Learners

  • : without sleep

  • : not able to sleep


Medical Dictionary

sleepless

play
adjective sleep·less \ˈslē-pləs\

Medical Definition of sleepless

  1. :  not able to sleep :  insomniac

sleeplessness

noun


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