# sleepsack

> English word · Noun

## Definitions
1. A kind of wearable blanket for a baby.
2. A device resembling a sleeping bag, often fastened with a zipper, that tightly immobilizes the occupant.

## Etymology
From sleep + sack.

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