sleep
noun, verb112 collocationsAvg. frequency: 6.6
deep sleep8.5
sound sleep7.5
heavy sleep7.2
light sleep7.0
dead sleep6.8
beauty sleep4.5
sleep that is necessary to make you feel healthy and look attractive
fitful sleep4.0
go to sleep9.5
lose sleep6.5
often figurative
can also mean to humanely kill an animal