How Long Does Melatonin Keep The Sleep Cycle Going?

How Long Does Melatonin Keep The Sleep Cycle Going? Depending on body weight, dosage, and supplement form, exogenous melatonin stays in your system anywhere from four to eight hours. Melatonin has a half-life — the time it takes the body to metabolize half of a dose of a medication or supplement — of approximately 20-50

How Much Melatonin For Sleep Maintenance?

How Much Melatonin For Sleep Maintenance? A very small dose (0.3 mg) of melatonin is usually sufficient to restore nighttime plasma melatonin levels to those characteristic of young people, and to accelerate the resumption of sleep after premature awakenings. Does melatonin help with sleep maintenance? Your body likely produces enough melatonin for its general needs.