stay up late

Ignore the clock

To stay up late is to remain awake past one's usual bedtime: I stayed up late finishing the project.

The phrase often implies a choice—entertainment, work, or socializing—rather than insomnia.

Don't stay up too late is a common parental warning to children.

Related

can't sleep · nocturnal · burn the midnight oil · wee hours · procrastination · circadian rhythm · binge-watching · doom scrolling · studying · hyperfocus · lost track of time · pull an all-nighter · anticipation · escapism · sleeplessness · burning eyes · insomnia · stress

Opposites
sleep timing

stay up lateearly to bed

Retiring before midnight

wakefulness vs. rest

stay up latefall asleep

Begin sleeping

go to sleep · nod off · drift off · conk out · pass out

lifestyle/discipline

stay up laterise with the sun

Begin one's day early

Family

stay, late, stays, stayed, staying, stayer, upped, upper, lately

Familiarity
Top 10,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Positive · Everyday, not technical · Rated G