Melatonin is very interesting because it is believed that all living things (bacteria, fungi, etc) have it [1]. Calling it a "sleep aid" is somewhat off because in humans and other animals it is compound heavily involved in modulating circadian rhythms. It is not a "drug". And a little personal anecdote about it: I have gone through a period of bad sleep and depression and was taking melotonin to help with sleep. On…
Just taking melatonin vs not taking it isn't the only decision space. There's a lot that goes into taking it to make it work. I've never done so but I understand this to be the case from reading this [0]. [0] https://slatestarcodex.com/2018/07/10/melatonin-much-more-th...
* Be cautious, effects of taking a hormone are complex and it can be more potent than might be evident at first.
* If you have sleep issues they might have a root cause. In my case I think it was circumstantial anxiety.
* Jetlag is not that big of a deal.