Dreams and sleep paralysis
I had some excellent dream time last night. The weather was beautiful, so I slept with all the windows open. I also had to help a friend w/ something this morning, so I needed to get up early. For some reason I worried all night that (a) someone was going to come in the windows and (b) I wouldn't get up on time. Pretty dumb concerns, but they were there nonetheless.
A couple of times I dreamed that someone *was* in the apartment, so I forced myself to wake up to see if this was real or a dream (w/ a little bit of panic mixed in). But, when I tried to wake myself I realized I was fighting against the sleep paralysis -- I couldn't move my body. After a ton of effort each time I was able to wake up physically, but it's amazing how hard it is to move when this happens(!).
It freaks me out some, but I also find it to be a lot of fun.