antisleep

adj

adj

Etymology From anti- + sleep.

Countering sleep.

In answer to his inquiry about the nature of the problem, the Major indicated that Ward had been working irregular hours at the installation and had been sleeping very little, keeping himself awake with coffee and antisleep pills.1973, Norman D. Sundberg, Leona Elizabeth Tyler, Julian R. Taplin, Clinical psychology; expanding horizons:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.