For me, what works is an ADHD medication along with not trying to fall asleep. Trying to fall asleep causes me something in the area of anxiety and guilt, so I end up frustrating myself awake. If I focus on a mindless task like scrolling through Lemmy or reading a book, I get engaged in that and end up accidentally falling asleep. The funny thing is that I have to keep doing my mindless task until I fall asleep, so many times, I wake up looking like I passed out in the middle of something with my glasses still on and my phone laying around. I'm actually curiously impressed that my glasses or phone haven't broken yet.