Seventy-three percent of heroin addicts report having used Xanax non-medically at least once a week to help them sleep.
Short term use of amphetamines can easily start long term systematic abuse, with some speed addicts having habits lasting over twenty years.
Morphine withdrawal symptoms can last for up to 10 days, while withdrawal from methadone may take weeks or months.
Triazolam is a benzodiazepine prescribed for insomnia. It disappears from the blood within 2-3 hours and some people find themselves in triazolam-withdrawal before morning.