staying awake
- alertWarning or watchfulness
- awakeNot in slumber
- insomniaPersistent inability to rest
- caffeineMethylxanthine stimulant compound
- coffeeBrewed bean beverage
vigilant · restless · wired · sleepless · midnight · exhausted · drowsy · yawning · tired · night owl · red-eye · cramming · watchful · bleary · eyelids · pillow · energy drink · fatigue
consciousness state
staying awakesleeping
Unconscious rest state
falling asleep · slumbering · dozing · napping · drifting off
intentional activity
staying awakegoing to sleep
Beginning nightly rest
turning in · hitting the hay · going to bed · crashing · retiring