Melatonin Side Effects and Can You Overdose? By Ethan Boldt. .Less common side effects of melatonin include: vivid dreams or nightmares. daytime sleepiness.
But a melatonin overdose can disrupt your sleep-wake cycle and actually make it harder for you to fall asleep. Learn more about melatonin overdose.

Is there such a thing as too much melatonin? Can you get a melatonin overdose? If youre taking a melatonin supplement, what dosage is appropriate?

What Are the Symptoms of a Melatonin Overdose? Too much melatonin can lead to unwanted side effects. But its very rare that an overdose of the supplement could kill you. Each form of medication has a lethal dose, or LD 50.Common melatonin side effects include
A melatonin overdose is is possible, but unlikely. However, there are possible side effects to its use. Learn more.A melatonin overdose is unlikely. However, some people have experienced lethargy, low blood pressure, and disorientation after taking high doses.