Am I the only one who doesn't like cuddling in bed?

Don't get me wrong, I LOVEEEE cuddling with my boyfriend. Just when it's bedtime, I love to have my own space when I'm sleeping. I don't know why, but I just don't like being disturbed in my slumber. I love my boyfriend and I'm always touchy felt with him, it's just that I don't like getting touchy feely when it's time to go to sleep. I'm not sure if it's because of my claustrophobia or what. But, Am I the only one?