So in August 2021 I started having the worst anxiety i’ve ever had and I couldn’t sleep. In consequence , i started having sleeping anxiety as well. 
I’m so much better now and i can sleep great mostly all days, but there’s some days that it takes me hours and hours to fall sleep even though I’m not anxious or anything. So i was just wondering why does this happen? Is there something i can do about it? Also i have to say that before having anxiety i never had any sleeping problems, i slept like a baby!