Try sleeping on your side only, or try a snore alarm or breathing aids like nasal strips or decongestant. I find my nightmares and sleep paralysis are linked to

Try sleeping on your side only, or try a snore alarm or breathing aids like nasal strips or decongestant. I find my nightmares and sleep paralysis are linked to snoring. When you snore you are not getting enough oxygen and your heart rate increases to compensate. Then for some weird reason your brain invents dream scenarios to match your racing heart.