comments:
claaudius posted on r/sleepheadphones2w
Maybe something like this? I have a pair, but I haven't slept with it. https://www.amazon.com/AfterShokz-Titanium-Conduction-Headphones-AS600SG/dp/B018XNGQOE Have you checked your vitamin d levels? I was deficient, and has helped me out a bit with my sleep, though it's still not perfect.