sleepunder

Etymology

From sleepover, with "over" replaced with its antonym "under".

Why this word is great

SLEEPUNDER — [Noun] A playdate resembling a sleepover, but where the child returns home before bedtime. A portmanteau of 'sleepover' with 'under' replacing 'over,' signaling the inversion of the overnight stay. Unlike 'sleepover' (which implies pajamas, whispered secrets past midnight, and breakfast in a stranger’s kitchen) or 'lateover' (a clinical synonym), 'sleepunder' delights in its own linguistic mischief. It is the gleeful chaos of a living room strewn with board games and half-eaten pizza, the anticlimactic zipping of a backpack at dusk, the faint disappointment—and relief—of a parent buckling a drowsy child into the car seat while streetlights flicker on. Childhood’s small rebellions, neatly contained.

noun

  1. A kind of playdate, similar to a sleepover, in which a child stays at their friend's house until relatively late and then returns home.“In many households, it's lights out for the traditional sleepover. Instead, more families are opting for sleepunders - a surprisingly controversial phenomenon that has raised the eyebrows of some parenting experts even as sleep specialists rejoice.”