Sleep Support
Melatonin
When (and when not) melatonin helps.
See if Melatonin is right for you
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Melatonin is a hormone your brain releases in the dark to mark nighttime. As a supplement it is useful for shifting a clock: jet lag, a delayed sleep phase, sometimes shift work. It is a weak sedative. Taking more because 3 mg did not knock you out misunderstands the drug.
A signal, not a sleeping pill
Used in small doses, earlier in the evening, melatonin can pull a late clock backward. Used as a high-dose candy at 11 p.m., it often does little for sleep onset and leaves people groggy or dreaming in a way they dislike.
The doses sold in the US are often far above what changes a circadian signal. That is marketing, not physiology. A clinician can suggest a dose and a time. The bottle's 'extra strength' banner is not a target.
When it helps and when it does not
Jet lag and a teenager, or an adult, who cannot fall asleep until 2 a.m. are the classic fits. Waking at 3 a.m. with anxiety is usually not a melatonin deficiency. Menopause night sweats are not either. Treat the heat.
Older adults sometimes have a blunter nighttime signal, and a low dose is discussed. They are also more sensitive to morning hangover and to falls if anything else sedating is on board.
Quality and interactions
Independent tests have found melatonin products that do not match their label. Buy a brand you can name, and tell the clinician the milligrams. 'A gummy' is not a dose.
It can interact with other sedatives and with some medicines processed by the liver. Pregnancy and autoimmune questions belong in the visit if they are yours. Do not give an adult gummy to a child because they will not settle.
Timing is the whole game
Melatonin works by telling your brain that night has arrived, which means the hour you take it matters more than the dose. Taken a few hours before your target bedtime, a small amount can nudge a late clock earlier. Taken right at lights-out as a would-be sedative, it often does little except leave you foggy the next morning.
Get the timing wrong and it can push sleep the wrong direction, which is why a clinician sets both the dose and the clock for your specific pattern. Jet lag going east is not the same instruction as a teenager who cannot fall asleep until 2 a.m. The bottle cannot know which one you are.
Important information
Treatment is provided through Jonathan Larson MDPC. Prescriptions require a clinical evaluation; medication is dispensed only when deemed medically necessary. Information here is educational and not a substitute for medical advice.
More Sleep Support guides
Related topics in Sleep Support, or head back to the Sleep Support overview.
FAQ
Melatonin questions
- What dose should I take?
- The one a clinician recommends for your pattern, often smaller than the bottle suggests. Do not climb the milligrams night after night.
- When do I take it?
- Timing depends on whether you are shifting a clock or chasing sleep onset. Taken at the wrong hour it can move sleep the wrong direction. Ask before you build a habit.
- Can I take it with alcohol?
- Alcohol already fragments sleep. Combining sedating substances is a poor plan. Skip the drink if the night is the priority.
- Is it addictive?
- Not in the way benzodiazepines are. People still become convinced they cannot sleep without it, which is its own habit. You can stop and see, preferably not the night before a flight.
- Why doesn't a bigger dose knock me out?
- Because melatonin is a clock signal, not a sedative, so escalating the milligrams mostly adds grogginess and strange dreams rather than sleep. If small doses are not helping, the problem is probably not a melatonin one.
- Can I give melatonin to my kid?
- Not on your own with an adult product. Doses, timing, and whether it is appropriate at all are a clinician's call, and an adult gummy is the wrong tool. Bring the question to a visit instead of guessing.
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