醒 - awake, be disillusioned, sober up

stimulant (e.g. psychoactive drugs like methamphetamine, ritalin, etc.)

waking up; awakening; arousal; revival

stimulant effect (e.g. caffeine)

sleep-wake cycle

half awake and half asleep

awakening; waking up; opening one's eyes

half asleep and half awake

wakefulness

a teetotaler doesn't know (how tasty) water is when waking up after having been drunk

to have one's fun spoiled; to have one's enthusiasm dampened

hyperarousal (symptom of PTSD)

warning