Meaning & Definition
noun
A natural, recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, inhibition of muscle activity, and reduced interactions with surroundings.
After a long day at work, she fell into a deep sleep as soon as her head hit the pillow.
A period of resting in which the body and mind recover.
He realized the importance of a good night's sleep for his overall health.
A state of inactivity or dormancy.
The garden fell into a sleep during the harsh winter months.
verb
To be in the state of sleep.
She likes to sleep with the window open to let in the fresh air.
To fall asleep or take a nap.
I'll try to sleep for an hour before we head out.
To be inactive or dormant.
The project has been sleeping for months due to lack of funding.
Etymology
Old English 'slēpan', akin to Dutch 'slapen', German 'schlafen'.
Common Phrases and Expressions
catch some Z's:
To sleep, especially for a short time.
sound asleep:
In a deep sleep; sleeping very soundly.
asleep at the wheel:
Unaware or negligent about something important.
sleep like a baby:
To sleep very soundly and peacefully.
Slang Meanings
Hit the hay
After that long meeting, I’m ready to hit the hay.
Catch some Z's
I need to catch some Z's before my next shift.
Snooze
I'm just going to snooze for a few more minutes.
Crash
I'm so tired, I'm going to crash as soon as I get home.