Anxious insomnia

My doctors app for my ultrasound is today and even though my rising levels calmed my nerves a little they are still not as high as I would like and I don't want to get my hopes to high to see nothing on the ultrasound... According to my LMP I should be 8 weeks today but I have a feeling I am going to be less than that because when I went to the ER a couple weeks ago they said I am not as far along as I thought I was... Uuggghhhh I just want my appointment to be here already so I can sleep and stop stressing