Literally so tired..

Mommy
I share a queen size bed with my 2 1/2 year old son (who has grown a huge attachment to me lately) and my husband. I'm stuck in the middle of them and I'm having hot flashes and cannot roll over because of my back and crotch being in pain. I used to be able to move my son to his bed once he fell asleep, and get at least 2-3 hours of sleep alone. But lately if I move him he wakes himself right up and cries until he gets back in bed. He is then up for a couple of hours more... all night I am hearing him bonk his head on the wall, and I'm pulling him back down. I am so freaking tired, I cannot get comfortable, some nights my restless leg syndrome gets me.. I am just ready (then again, I'm not).