Sleep (3)
'sleep' is the definition.
(a nap is a short sleep)
This is all the clue.
(Other definitions for nap that I've seen before include "Pile (on e.g. velvet)" , "A daytime doze" , "A brief snooze" , "Kip" , "Little sleep" .)
'sleep' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for kip that I've seen before include "Nap (slang)" , "Sleep (sl.)" , "Snooze" , "Sleep, nap (colloq.)" , "Short sleep" .)
'sleep' is the definition.
(abbreviation for Rapid Eye Movement)
This is the entire clue.
(Other definitions for rem that I've seen before include "Sleep stage when dreaming occurs" , "radiation unit" , "Phase in sleep" .)
'sleep' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for shut eye that I've seen before include "experienced while twenty one down ASLEEP]" , "Rest" , "No boxer enjoys this" .)
'sleep' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for slumber that I've seen before include "Overnight social event for (American) teenage girls" , "repose" , "Doze" , "Snooze" , "Drop off" .)
'sleep' is the definition.
(shuteye is a kind of sleep)
This is the entire clue.
(Other definitions for shuteye that I've seen before include "Slang sleep, literally described" , "Sleep (colloq.)" , "Slangy sleep with closed optic" , "Informal sleep - close optic" , "zeds" .)
'sleep' is the definition.
(hibernating is a kind of sleeping)
This is all the clue.
(Other definitions for hibernate that I've seen before include "Breathe in for long winter sleep" , "Pass the winter in a dormant state" , "Become dormant" , "go dormant" , "remain inactive for months" .)
'sleep' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for dreamland that I've seen before include "Sleep; ideal world" , "Nod, perhaps" , "Utopia" .)