# unsleepy

> English word · Adjective

## Definitions
1. Not sleepy; wakeful.

## Etymology
From un- + sleepy, perhaps continuing Middle English *unslepy, from Old English unslǣpiġ (“sleepless”). Compare Dutch onslaperig (“unsleepy”), German unschläfrig (“unsleepy”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/unsleepy