I have had m.e for 12 yrs and in november i was in the shower and i felt all shaky and like i was going to faint. 2 days later i went to get up out of bed and i had horrendous vertigo and brain fog. Over the following weeks i had awful headaches and it felt like my blood supply was cut off to my brain, sweating, shakiness, awful fatigue etc. I had loads of tests including a brain ct scan which revealed 3 shadows so i had an mri last thurdsday. I haven't had the resuts yet but the more i read about pots the more i think this could be my problem. I go dizzy every time i lay down or get up from laying and when i get up in the morning.