Maybe it’s a vision and posture thing on the computer. Aggravated by FM.

Cc5 I am exactly the same with a computer screen I can't understand why x

Cc5, that happens to me often. I don't, or can't?, stay thru the nauseated feelings long enough for it to bother me the next day though. I'm quite a baby when it comes to feeling that way. I think I'd rather break a bone than feeling like I might throw up!! Pretty bad huh?! Sorry I couldn't be more helpful. Take care.