When the problem appeared again, the government was 'caught napping'. [=the government was not prepared to deal with it]
The goalie had to be 'napping' when that ball got by him.
She awoke from her 'nap' rested and refreshed.
(..) Go get it. Isn't he the luckiest...? Miss O'Hara... ...l love you. I don't guess I'm as hungry as I thought. Why do I have to take a nap? I'm not tired. Well-brought-up young ladies take naps at parties. And it's high time you started behavin' and actin' like you was Miss Ellen's daughter. (..)1939 Gone with the Wind