LSD is not considered physically addictive and does not have physical withdrawal symptoms. However, one may experience a desire of craving to do LSD again, as LSD may be psychologically addictive.
Alcohol withdrawal symptoms include extreme anxiety, disorientation, hallucinations, sleep disorders, hand tremors, nausea, sweating, seizures, and racing pulse. Delirium tremens (DTs) are an extreme...
Sleeping deprivation, extreme boredom, chewing on objects constantly(anything like pens, chewing gum,nails,etc.). It may even cause easy anger. the positive thing is excessive amounts of energy