Take forty winks (3)
'take forty winks' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for nap that I've seen before include "A brief informal sleep" , "Short sleep on fuzzy fabric surface" , "one akin to whist" , "Short raised fibres on cloth on snooker table" , "Pile (on e.g. velvet)" .)
'take forty winks' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for snooze that I've seen before include "drop off" , "Sleep lightly" , "A brief nap" , "Quick nap" , "Kip" .)