Trouble sleeping

i always had a hard time falling and staying asleep but now more then ever i feel restless..when i do sleep its always a broken sleep and i had a was that mt drs told me that my avm was back and i needed to have surgery again..i woke up so nervous....i def dont want to have brain sx again felt so real.... im having an angiogram in a few months and that makes my skin crawl just thinking of it...not that i ever had a problem with any angiogram i just dont want to see another hospital or get pinched or poked..for a long time...back to my sleeping issue its getting worse :/