Cannabis withdrawal is real — and it varies significantly depending on how much you used, what you used, and how long you've been using. A daily vape cartridge user has a measurably different withdrawal curve than a weekend flower smoker.

This calculator uses clinical withdrawal research (Budney et al. 2004, Hirvonen et al. 2012) and data from the Turn the Leaf app to generate a personalised timeline. Enter your profile below and find out what to expect — day by day.

How many days since you last used?

Enter 0 if you haven't stopped yet

How often were you using before stopping?

How long were you using regularly? (optional)

What was your primary method?

What symptoms are you experiencing? (select all that apply)

Frequently asked questions

Is cannabis withdrawal actually a real thing?

Yes. Cannabis Withdrawal Syndrome is recognised in the DSM-5 (Diagnostic and Statistical Manual of Mental Disorders). Common symptoms include irritability, insomnia, reduced appetite, anxiety, restlessness, and vivid dreams. Not everyone experiences all symptoms, but daily users who stop abruptly almost always experience some degree of withdrawal.

How long does cannabis withdrawal typically last?

For most people, the acute phase (physical symptoms) lasts 5-7 days and peaks around days 2-5. Psychological symptoms like cravings and mood changes can persist for 2-4 weeks. Heavy concentrate users and long-term daily users tend to have longer, more intense withdrawal. Most people feel substantially better by day 14-21.

Why does my method matter for withdrawal?

Vape cartridges and concentrates deliver 70-90% THC compared to 15-25% for flower. Higher THC exposure causes greater CB1 receptor downregulation, which means a more intense and potentially longer withdrawal period. Research by Kesner et al. (2020) confirms that method-specific differences in withdrawal are clinically significant.

When will I start sleeping normally again?

THC suppresses REM sleep. When you stop using, your brain rebounds with intense REM activity — this causes the vivid dreams many people experience. Most users report sleep improving by day 5-7, with sleep architecture (normal REM cycles) fully normalising by day 14. If insomnia persists beyond 2 weeks, consider speaking to a doctor.

Can I do anything to make withdrawal easier?

Several evidence-supported strategies help: exercise (reduces anxiety and improves sleep), consistent sleep schedule (helps normalise circadian rhythm), hydration, and avoiding other stimulants like caffeine in the first week. Turn the Leaf provides daily guidance and coping strategies matched to your current withdrawal phase.

What if my symptoms are really severe?

If you experience severe nausea, vomiting, or inability to keep food down, you may want to rule out Cannabinoid Hyperemesis Syndrome (CHS) with your doctor. If anxiety or depression feel unmanageable, a healthcare provider can help. Cannabis withdrawal is uncomfortable but not medically dangerous — seek support for mental health symptoms if they become overwhelming.