Sleeping pills or sleeping pills and alcohol can work, but there is a significant risk of brain damage without ctb. Most suicide attempts by pills fail in the u.s., and the ones that do work are usually powerful opioids such as fentanyl. Statistically the odds of dying of a pill overdose, based on u.s. statistics, are about 1 in 87. This and cutting are the two least likely methods to work. Sadly so many people are desperate to ctb to stop their pain, but the ones that do research over time and carefully plan it are the ones who usually ctb. Ovarall, about 1 in 30 suicide attempts are successful in the u.s. There are much higher percentage methods but they all have plusses and minuses.