1. (

• sleep ,
• slumber ,

) a natural and periodic state of rest during which consciousness of the world is suspended; "he didn't get enough sleep last night"; "calm as a child in dreamless slumber" ;

2. (

• slumber

) a dormant or quiescent state ;

1. (

• sleep ,
• kip ,
• slumber ,
• log_Z's ,
• catch_some_Z's

) be asleep ;