[BigDinCA]

I think twilk is right: if any part of your other hand or anybody part is even touching the screen it will see the second part (your finger on the right side of the screen) moving and assumne that you are pinching to zoom in and zoom out.

More importantly, why are you on PPCGeeks while you're lying in bed? I've been there and done that, but at the end of the day things are more fun with a partner. And then you won't use your phone in bed. Probably. Maybe the camera.