How long does cannabis withdrawal last?

Acute withdrawal symptoms in regular users appear 24–72 hours after stopping, peak at 2–6 days and clearly ease within 1–2 weeks. Sleep disturbances and vivid dreams can persist 3–4 weeks. Not life-threatening (unlike alcohol withdrawal).

Key facts

  • Onset: 24–72 h after stopping
  • Peak: day 2–6
  • Clear improvement: 1–2 weeks
  • Sleep symptoms: up to 4 weeks

Detailed answer

Cannabis withdrawal syndrome (DSM-5 recognised since 2013): appears in regular (daily) users after stopping. Symptoms: irritability, anxiety, sleep problems (vivid dreams), appetite loss, restlessness, sweating, headaches. Timeline: onset 24–72 h, peak day 2–6, clear improvement within 7–14 days, delayed symptoms (sleep) up to 4 weeks. Unlike alcohol/opiates: not life-threatening, no seizure risk. Support: hydration, light exercise, short-term melatonin for sleep, medical supervision for severe symptoms.