Melatonin is widely used as a sleep aid, but experts say many people may be taking it at the wrong time. Rather than acting like a fast-acting sleeping pill, melatonin is better understood as a signal that helps the body recognize when it is time to wind down for sleep.

That distinction is why timing matters. If melatonin is taken only at bedtime, some users may feel disappointed by the results because it does not simply force sleep on demand. Sleep specialists say the supplement may be more useful when its timing matches the body’s internal sleep-wake rhythm instead of being treated like an instant fix.

The guidance highlighted by EatingWell focuses on choosing the right time for melatonin based on how it works, not just on when someone wants to fall asleep. In other words, success may depend less on taking more and more on taking it at a point that supports the body’s natural transition into sleep.

Experts also note that persistent sleep problems should not be ignored. If trouble falling asleep or staying asleep keeps happening, medical evaluation may be important to look for underlying causes and to find a treatment plan that goes beyond over-the-counter supplements.