Symptoms of Hangover
Constitutional: fatigue, weakness, and thirst.
Pain: headache and muscle aches.
Gastrointestinal: nausea, vomiting, and stomach pain.
Sleep and biological rhythms: decreased sleep, decreased REM (rapid eye movement).
Sensory: sensitivity to light and sound.
Cognitive: decreased attention and concentration.
Mood: depression, anxiety, and irritability.
Sympathetic hyperactivity: tremor, sweating, and increased pulse and systolic blood pressure.