sleep
This page is about the noun "sleep", which can be both countable and uncountable
sleep → uncountable
Meaning: a natural state of rest
Example sentence: Fish and reptiles also need regular periods of sleep.
sleep → countable
Meaning: a particular period of sleep
Example sentence: If I wake up too early in the morning, I have a short sleep after lunch.
Quick Quiz:
In which sentence is the word "sleep" uncountable?
Contributor: Matt Errey