1. A natural and periodic state of rest during which consciousness of the world is suspended
   "he didn't get enough sleep last night";
   - slumber, shuteye [informal], shut-eye [informal]
    
2. A period of time spent sleeping
   "he felt better after a little sleep";
   - nap, kip [Brit, informal]
    
3. A torpid state resembling deep sleep
   "The heavy medication induced a state of sleep in the patient";
   - sopor
    
4. A euphemism for death (based on an analogy between lying in a bed and in a tomb)
   "they had to put their family pet to sleep"; "she was laid to eternal sleep beside her husband";
   - rest, eternal rest, eternal sleep, quietus
    
5. A substance found in the corner of the eyes after waking up
   "She rubbed the sleep from her eyes as she got out of bed"

1. Be asleep
   "I need to sleep before the big meeting tomorrow";
   - slumber, catch some Z's [N. Amer, informal]
    
2. Be able to accommodate for sleeping
   "This tent sleeps six people"

Derived forms: slept, sleeping, sleeps

Type of: accommodate, admit, death, hold, period, period of time, physical condition, physiological condition, physiological state, rest, time period, time span

Encyclopedia: Sleep, Peter