Melatonin is effective ~5 hours later. No need to take more than 0.3 mg. What you should try is L-Theanine just before going to sleep, it's effective against C

Melatonin is effective ~5 hours later. No need to take more than 0.3 mg. What you should try is L-Theanine just before going to sleep, it's effective against Caffeine, not sure about Psilocybin.