Melatonin for sleep

[MTrandom223]

What dosage of melatonin is good for falling asleep? If I use melatonin for a while will it significantly affect and disrupt my natural melatonin production?

 

[Romxnus753AC]

What dosage of melatonin is good for falling asleep? If I use melatonin for a while will it significantly affect and disrupt my natural melatonin production?

2 mg

 

[botchedbytufano]

Lower the better but that shit gives me wicked nightmares