90-Day Brain Reset

Cannabis Recovery Timeline

Your brain needs approximately 90 days to fully recalibrate after regular cannabis use. Below are the key milestones — each with brain recovery data, active symptoms, and what to expect.

Day 11% of reset

Day 1 Without Weed: What to Expect

The first 24 hours of your brain reset

CB1
2%
DA
3%
Day 22% of reset

Day 2 Without Weed: Symptoms Begin

Withdrawal symptoms start emerging

CB1
4%
DA
5%
Day 33% of reset

Day 3 Without Weed: The Hardest Day Begins

Peak withdrawal intensity approaches

CB1
6%
DA
7%
Day 56% of reset

Day 5 Without Weed: Past the Worst

Physical symptoms start plateauing

CB1
10%
DA
10%
Day 78% of reset

1 Week Without Weed: Your First Milestone

The acute phase is ending

CB1
15%
DA
15%
Day 1011% of reset

Day 10 Without Weed: Physical Symptoms Fade

Your body is adjusting

CB1
20%
DA
20%
Day 1416% of reset

2 Weeks Without Weed: Clarity Returns

Cognitive function begins recovering

CB1
30%
DA
30%
Day 2123% of reset

3 Weeks Without Weed: Sleep Normalizes

Your sleep cycle is rebuilding

CB1
40%
DA
35%
Day 3033% of reset

1 Month Without Weed: A Major Milestone

CB1 receptors approaching normal density

CB1
55%
DA
40%
Day 4550% of reset

Day 45 Without Weed: Exiting the Valley

Emotional recovery begins in earnest

CB1
65%
DA
55%
Day 6067% of reset

2 Months Without Weed: Dopamine Recovers

Your reward system is healing

CB1
80%
DA
70%
Day 90100% of reset

90 Days Without Weed: The Brain Reset

Full neurological recovery

CB1
95%
DA
90%
Day 180

6 Months Without Weed: The New Normal

Sobriety becomes your default

CB1
98%
DA
95%
Day 365

1 Year Without Weed: A Full Year Sober

The anniversary milestone

CB1
100%
DA
100%

Science-backed recovery

Track your recovery with Klar

47 symptom tracking, brain recovery visualization, craving surfing tools, and the 90-day timeline—all in one app.

Start Your 90-Day Reset
Klar app showing brain recovery progress

Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical guidance. If you are in crisis, call 988 (Suicide & Crisis Lifeline) or text HOME to 741741.