10 minutes ago I could barley keep my eyes open now that I can go to sleep I’m wide awake.

Rest your eyes, precious. It’ll come back to you. 💤

There are tons of things you can do to get better sleep
Everybody is different so not sure what'll work in your situating but turning off your brain is a must

there are many playlists on spotify that claim to be helpful for sleep. and any of the discworld novels. snuff, maybe.

Same - I nod off while reading my book, then turning out the light wakes me up...

What do you like to read?

I've got little blurbs about fantasy novels I've read here: https://similarworlds.com/reading/4493270-My-Novel-Reads-Noted-a-few-people-were-interested