5 min read · updated 2026-08-10
A common oral dose of dried mushrooms runs about four to six hours end to end. You feel the first shift 20 to 60 minutes after eating them, it peaks between roughly 90 minutes and 3 hours, then tapers over the next 2 to 4 hours. A tired, slightly wired tail can run into the evening.
The reason it is this predictable comes down to one number. Psilocybin is a prodrug: your gut converts it to psilocin, which is what actually acts on your brain. Plasma psilocin peaks around 80 to 100 minutes and has a half-life of two to three hours, and how you feel tracks that curve closely. Most drugs are messier than this. Mushrooms are unusually clock-like, which is why a countdown is honest here.
The timeline, phase by phase
| Phase | Time (common dose) | What it feels like |
|---|---|---|
| Waiting | 0–30 min | Nothing yet. Maybe a heavy stomach or a yawn. |
| Come-up | 30–90 min | Nausea, cold hands, anxiety, surfaces starting to move. The hardest stretch for most people. |
| Peak | 90 min–3 hr | Strongest visuals, time distortion, emotion in waves. It does not climb past here. |
| Come-down | 3–5 hr | Effects arrive in waves with gaps. You can hold a conversation again. |
| After | 5–8 hr | Tired, hungry, emotionally raw. Sleep comes late. |
What makes it longer or shorter
- Dose. A light dose is shorter and shallower; a heavy dose stretches the whole curve and the peak lasts longer.
- How you took it. Lemon tek and hot tea convert some psilocybin to psilocin before you swallow it, so they come on faster and burn out sooner and sharper. A full stomach delays onset.
- Species. A few potent species (Psilocybe azurescens especially) are reported to run longer than cubensis, and azurescens can cause a temporary heaviness in the limbs.
- You. Tolerance from recent use blunts and can shorten it; MAOIs and some other drugs stretch it unpredictably.
“When will this be over?”, mid-trip
If you are in it right now and want the answer for your own clock rather than a table, the calm mode timer counts down from when you dosed and tells you which phase you are in, what is normal for it, and roughly how long is left. It works offline.
Common questions
How long does it take for shrooms to kick in?
20 to 60 minutes on an empty stomach for eaten dried mushrooms. Lemon tek and tea are faster, often 15 to 30 minutes. A full stomach pushes onset later.
How long does the peak last?
At a common dose the peak sits between roughly 90 minutes and 3 hours after eating. It does not keep climbing past that point, though at a heavy dose the peak lasts longer.
How long do effects last the next day?
The main effects are gone by 6 to 8 hours. What can linger into the next day is tiredness, poor sleep the first night, and a mood that is still moving around. That is fatigue, not the drug still being active.