# unsleep

> English word · Noun

## Definitions
1. Sleeplessness; wakefulness.
2. A sleeplike state that is not true sleep.

## Etymology
From un- + sleep.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/unsleep