Sleeping in the same bed with my girlfriend is a nightmare. We don't live together yet, so I am still enjoying my sleep most of the time, but when we do, I pretty much get no sleep.
She has a queen and I have a queen size, and that shit does not cut it, so the plan is to get a king when we move in together. The second solution that I came up with is two separate blankets. I get hot very easy so she has the big comforter blanket and I have a lighter blanket. This definitely helped a lot, but there's still the space issue, so I am praying that having the space of a king will make it easier. We'll see.