# dead asleep

idiom

Source: https://englishreference.com/idiom/dead-asleep
Updated: 2026-08-10

## Meaning

Sleeping in a deep sleep

## Examples

- The baby is dead asleep in the crib.
- I tried to wake him for dinner, but he was dead asleep after his long flight.
- Despite the thunder shaking the windows, the exhausted traveler remained dead asleep until the sun rose the next morning.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.