# wake up on the wrong side of bed

idiom

Source: https://englishreference.com/idiom/wake-up-on-the-wrong-side-of-bed
Updated: 2026-08-10

## Meaning

To feel grumpy and irritable; to be easily annoyed.

## Examples

- He is grumpy because he woke up on the wrong side of the bed.
- Please do not ask her for any favors today, as she clearly woke up on the wrong side of the bed.
- The manager seemed to have woken up on the wrong side of the bed, snapping at his employees for the smallest mistakes throughout the entire morning.

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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.