According to a doctor, the timing of taking melatonin matters for better sleep results. Setting a bedtime and sticking to it can help improve sleep, as suggested by the American Heart Association.
Taking melatonin at the right time depends on the individual's reasons for using it and the obstacles to restful sleep they face.
Melatonin is a hormone produced by a gland in the brain called the pineal gland. Melatonin is responsible for initiating and maintaining sleep once it starts to be released in the evening.
Author's summary: Timing matters when taking melatonin for better sleep.