He fought bravely against his seasickness and took the key for a time while Jack stole a catnap.
There was no yawning and stretching and closing one eye for a catnap about that awakening.
Dr. Grenfell went to his room to snatch a catnap before the start.
Sometimes when I get here a little early I take a catnap myself.
A short doze while sitting up: The Senator was enjoying a cat-nap at the time
[1850s+; Attested in form cat's nap by 1823]