sleeps
n. countable A1 Beginner US //ˈsɫips// UK //slˈiːps// sleeps
n. the number of nights left until a special event. Children often use this to count down the time until a holiday or birthday.
n. the number of nights remaining before a specific future event. Informal in register; used primarily by children or when speaking to children to quantify a waiting period.
There are only three more sleeps until my birthday party.
The children were so excited for the trip that they asked every morning how many sleeps were left.
While adults measure the countdown in days or weeks, the child’s perspective remains fixed on the number of sleeps remaining until the long-awaited visit to the theme park.
Usage
Almost exclusively used in the plural form when counting down to an event.