Why did my cat attack my face?

I've had my cat for 5 years and never once has he attacked me like he did. He hardly ever even bites me. He's an indoor/outdoor cat but usually stays with me in my bedroom although hes free to roam wherever. Last night he was being weird. He meowed very strongly and I sat down next to him on the floor and asked whats wrong and he meowed the same about 4 more times so I just got up because I was gonna get some food since I didn't know what else to do. As I stood up and went to leave the room, he JUMPED at my face. I almost didn't see him coming. I closed my eyes tightly so he couldn't scratch them but he got my pretty good. I have a black eye and puffy scratches on my eyelid and two deep cuts under my eye and one on my forehead. I was bleeding a lot. My mom thinks its because lately I've been locking him out of my room because he was keeping me up at night and I was over it. He's gotten into the sleeping pattern where he sleeps all day and is up all night but he used to sleep when I sleep. So she thinks he's mad at me and trying to get my attention but I'm scared because I feel afraid of him and he's my little baby and he's spunky but he's sweet, he cuddles constantly and we're basically best friends and I don't know what I'd do if he does it again. It was very heartbreaking.
And after I ran out of the room to the bathroom he came out of my room walking down the hall like normal as if it didn't happen but I didn't go near him I just looked at him and my mom picked him up and put him outside. It was just so violent for such a cuddly sweet kitty.