Stay up late

Definition

Staying up late refers to the tendency of individuals, particularly teens, to stay awake and active during nighttime hours instead of following a typical sleep schedule.

Related terms

Circadian Rhythm:

The internal biological clock that regulates sleep-wake cycles in humans.

Melatonin:

A hormone released by the pineal gland that helps regulate sleep patterns.

Sleep Deprivation: The condition of not getting enough sleep, often due to staying up too late or waking up too early.