sleep
The term carries a heavy association with vulnerability and restoration. It is not merely the absence of activity but a biological necessity that resets the system. In social contexts, it often implies a boundary between the public, conscious world and the private, unconscious realm.
When used as a verb, it can take on a sinister or permanent quality in euphemisms for death, such as the eternal sleep. Conversely, in casual conversation, it often serves as a proxy for laziness or avoidance when someone is described as sleeping on an opportunity.
Uncountable when referring to the general physiological state of resting. Countable when referring to a specific period or instance of resting, such as a nap or a short sleep.
Meanings
Examples
He slept for ten hours after the flight.
I slept eight hours last night.
A good night's sleep is essential for health.
Phrasal Verbs
sleep in
to sleep longer than usual
I love to sleep in on Saturday mornings.
sleep off
to recover from an unpleasant feeling or state by sleeping
He decided to sleep off the effects of the medication.
sleep through
to fail to wake up despite a noise or event
The baby slept through the loud thunderstorm.
sleep over
to stay overnight at someone else's house
My daughter asked if her friend could sleep over this weekend.