← Back to collection
Region: General | Usage example: They were caught napping when the competitor outpaced them.

Caught napping

Meaning

Be surprised while unprepared.

Usage

Used when oversight leads to disadvantage.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Being asleep when unexpected events occur.

Used in cautionary tales since the 19th century.