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 ...

Melatonin can be safe to take every night in the short term. However, it's generally advised to take no more than 1-5 milligrams per night. While melatonin is not bad for you, you may develop side ...