anti-sleep

adjective

an·​ti-sleep

ˌan-tē-ˈslēp,

ˌan-tī- 

variants or less commonly antisleep

: 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

Word History

First Known Use

1912, in the meaning defined above