Then there are those man-spreaders who take up half the leg room in your space as well as all the room in their own!
I’m not talking about “big” men, either. How do you tell the guy next to you, “close your legs!” ???
“How do you tell the guy next to you, “close your legs!” ???”
Simply ask.
I try to be very aware of my seatmate’s personal space, but if I doze off, etc - a simple “excuse me, but could I stretch my legs?” does the trick