It may be hard to define a melatonin overdose because no standard or safe dose has been established. However, in large amounts, melatonin supplements may disrupt sleep cycles and cause other acute ...

You might also experience irritability, anxiety, or depression as a side effect of taking melatonin. Unlike a sedative overdose, an overdose of melatonin isn't likely to be life-threatening.

The few times I've taken any amount of melatonin, I felt groggy and "hungover" for hours the following day. My body's adverse reaction to melatonin seems to defeat the purpose of taking it in the ...

Learn whether it is possible to overdose on melatonin. Research is ongoing to determine the exact cause of low melatonin levels. However, a few factors that can lead to its low levels are ...

If you suspect an overdose or notice any concerning symptoms after giving your child melatonin, seek medical attention immediately. Melatonin may also impact puberty and development in kids and teens.