anti-sleep

adjective
an·​ti-sleep | \ ˌan-tē-ˈslēp How to pronounce anti-sleep (audio) , ˌan-tī-\
variants: or less commonly antisleep

Definition of anti-sleep

: opposed to sleep or designed to prevent sleep cars equipped with anti-sleep alarms I try to distract myself by thinking about something peaceful, but my brain won't play along. My brain is firmly anti-sleep. It believes sleep is to be avoided.— Richard Glover

First Known Use of anti-sleep

1912, in the meaning defined above

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The first known use of anti-sleep was in 1912

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