waking up; awakening; arousal; disillusion; disillusionment; awakening
stimulant (e.g. psychoactive drugs like methamphetamine, ritalin, etc.)
stimulant effect (e.g. caffeine)
Great Awakening (18th century American Christian revival movement)
awakening; waking up; opening one's eyes
half awake and half asleep
half asleep and half awake
hyperarousal (symptom of PTSD)
level of awakeness; level of arousal
circadian rhythm sleep-wake disorder; CRSWD
hyperarousal (symptom of PTSD)