Ambien
4-5 hours
Klonopin
6-12 hours
Xanax
6-8 hours
PCP
4-6 hours
DXM
3-6 hours
Ketamine
Up to 2 hours
Smoke cannabis
3-4 hours
Edibles
Up to 8 hours
Cocaine
Up to 2 hours
Methamphetamines
Up to 12 hours
LSD
6-8 hours
MDMA
1-3 hours
Psilocybin
Up to 5 hours
Fentanyl
2-3 hours
Heroin
3-5 hours
Methadone
6-8 hours