A crust of dried tears or mucus normally forming around the inner rim of the eye during sleep.
from The American Heritage Dictionary of the English Language, 4th Edition
A natural periodic state of rest for the mind and body, in which the eyes usually close and consciousness is completely or partially lost, so that there is a decrease in bodily movement and responsiveness to external stimuli. During sleep the brain in humans and other mammals undergoes a characteristic cycle of brain-wave activity that includes intervals of dreaming.
from The American Heritage Dictionary of the English Language, 4th Edition
A period of this form of rest.
from The American Heritage Dictionary of the English Language, 4th Edition
A state of inactivity resembling or suggesting sleep; unconsciousness, dormancy, hibernation, or death.
from The American Heritage Dictionary of the English Language, 4th Edition
Botany The folding together of leaflets or petals at night or in the absence of light.
from The American Heritage Dictionary of the English Language, 4th Edition
idiom
Log To sleep very deeply.
from The American Heritage Dictionary of the English Language, 4th Edition
phrasal-verb
Sleep around Informal To be sexually active with more than one partner.
from The American Heritage Dictionary of the English Language, 4th Edition
Sleep in To oversleep: I missed the morning train because I slept in.
from The American Heritage Dictionary of the English Language, 4th Edition
Sleep on To think about (something) overnight before deciding.
from The American Heritage Dictionary of the English Language, 4th Edition
Sleep together To have sexual relations.
from The American Heritage Dictionary of the English Language, 4th Edition
Sleep with To have sexual relations with.
from The American Heritage Dictionary of the English Language, 4th Edition
verb-intransitive
To be in a condition resembling sleep.
from The American Heritage Dictionary of the English Language, 4th Edition
To be in the state of sleep or to fall asleep.
from The American Heritage Dictionary of the English Language, 4th Edition
verb-transitive
To pass or get rid of by sleeping: slept away the day; went home to sleep off the headache.
from The American Heritage Dictionary of the English Language, 4th Edition
To provide sleeping accommodations for: This tent sleeps three comfortably.
from The American Heritage Dictionary of the English Language, 4th Edition
Find More Words!
Here are some other words you could make with the letters SLEEP, you can also use this lookup tool to help you find words with our scrabble word finder.
We're always trying to find interesting facts about words. We would love your input to help us find something interesting about sleep. If you know something, let us know. Please make sure you write it in your own words. If we like it we will post it.