Present participle of catnap; taking short, light naps or the act of kidnapping cats.
From catnap + -ing (present participle marker). Standard verb formation in English, used since the 1800s.
Catnapping as a practice got scientific credibility in the 20th century when researchers discovered that brief sleeps, particularly before 3pm, can dramatically improve afternoon performance and mood—validating what cats knew all along.
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