There is no single official dose of THC for sleep. A practical starting point is 2.5 to 5 mg, and many people find their comfortable range between 5 and 10 mg. Move above 10 mg only after you have tested a lower dose on a night when you can sleep in and be groggy-free the next morning.

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The short answer by experience level

Edible tolerance builds faster than most people expect. If 10 mg stopped working, take a few nights off before jumping to 20 mg.

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Why edible THC behaves differently from smoking

When you swallow a gummy, THC passes through the liver and converts into 11-hydroxy-THC, a metabolite that crosses into the brain more readily. The result is a slower come-up (often 45 to 120 minutes), a stronger body-heavy effect, and a longer window of action, frequently six to eight hours. That long tail is useful for sleep, but it is also why the mistake of "taking another because nothing happened yet" ends badly. Set a timer and wait a full two hours before you consider redosing.

How Long Before Bed Should You Take Cannabis? A Timing Guide

Timing the dose for sleep

Take your gummy 60 to 120 minutes before lights out. Too early and the peak fades before you fall asleep; too late and you may wake up still impaired. If you tend to wake at 3 a.m., a lower dose taken later often works better than a large dose taken early.

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What changes your ideal dose

How to find your dose in four steps

  1. Pick a night with nothing scheduled the next morning.
  2. Take 2.5 to 5 mg and record the time.
  3. Note when you felt it, how drowsy you became, and how you felt at wake-up.
  4. If the effect was too weak after two full hours, add 2.5 mg on your next trial night, not the same night.

Repeat until you find the lowest dose that reliably helps you fall asleep. That number is your dose, and it is usually lower than people guess.

Signs you took too much

Dry mouth, a racing heart, anxiety, dizziness, and a heavy, disoriented feeling are the usual signals. These effects are uncomfortable but not dangerous for most adults. Sit or lie down, drink water, eat something bland, and remember that edible effects peak within a few hours and then fade. Do not drive, and do not take another product to counter it.

Safety points worth knowing

Bottom line

For sleep gummies, the answer to how many mg of THC is simple: start at 2.5 to 5 mg, expect to land between 5 and 10 mg, and treat anything above that as a deliberate step rather than a default. Test on a free morning, wait two hours before redosing, and let the lowest effective dose be your target.