The term NAP is a colloquialism for taking a short period of sleep during the day. The crossword solutions for this term include FUZZ (4 letters), SLUMBER (7 letters), FLUFF (5 letters), SHAG (4 letters), NOD (3 letters), DOWN (4 letters), DOZE (4 letters), PILE (4 letters), REST (4 letters), SLEEP (5 letters), DROWSE (6 letters), REPOSE (6 letters), SIESTA (6 letters), SNOOZE (6 letters), RECLINE (7 letters), SHUTEYE (7 letters), LOGAFEWZS (9 letters), FORTYWINKS (10 letters), and CATCHAFEWZS (11 letters). All of these words are related to sleeping, either in terms of the action itself or the environment in which it takes place.