Marijuana withdrawal symptoms can include but are not limited to a loss of appetite, an inability to sleep, depression, headache, excessive sweating, loose stools, nausea, anxiety, paranoia and irritability or aggression.
LSD can induce delusions and visual hallucinations which may distort the user's sense of time and identity.
Many of the individuals that have used Xanax for medicinal purposes or recreational purposes (non-medically) have described feeling a sense of confusion and memory loss, and a "floating" or disconnected feeling after taking the drug.
Ambien is a benzodiazepine prescribed for insomnia. It can disappear from the blood within 2-3 hours and some people find themselves in Ambien-withdrawal before morning.