Struggling with Insomnia and Sleep Paralysis

So I have insomnia l, sleep paralysis, and my brain doesn't produce melatonin (meaning my brain doesn't tell me I'm tired or need sleep). I take promethazine and zopiclone, but doses keep being upped because my body gets used to them. I can go up to 4/5 nights in a row with no sleep at all, and at most, 1 hour nap in the day. This is starting to really take a toll on my hallucinations, can send me into psychosis, and is affecting my mental health and physical health. Meditation doesn't work, medication doesn't work, background noises, weighted blankets, none of it is helping me. Does anyone have any ideas, tips, or medications they think can help? Thank you in advance ☺️