Melatonin is an important hormone to be aware of. It’s a hormone that has to deal with sleep: the lack of sleep, too much sleep, and everything in between. It’s probably an important thing that athletes manage their melatonin: it can affect your sleep which can affect your energy, which could make it a lot harder to exercise and diet properly. Please be aware of and manage/maintain your melatonin the correct way. Get tested if you aren’t sure about your levels.