yeah lately I've been listening to audiobooks as well. Melatonin can work for me sometimes but it's pretty hit and miss.
Discussion
So melatonin is supposed to be naturally produced when the sun goes down. So the best time to take melatonin is right at dusk and not before you lay down. When you take it at dusk it helps kickstart the body wind down period. Thats what I’ve read and have practiced at least.