I hope your results prove your worrying wrong dear @alz89
Remember you don’t want that heart affected by stress and lack of sleep before scans!
i am the stress master, every time there’s stuff that matter much i lose my sleep over them!
But i can still give the right advice
relax and grab your well deserved rest!
you will also need it for the long day
I wish you great results followed by a big smile off the worry!