I just want a good nights sleep..

I have been extremely tired lately.. Im not sure why. I havent really been sick, just really tired. Last night, I was sleeping on the couch a little after nine, and actually went to my bed a little afte 10. I think part of it is that Ive been sleeping like crap lately. Last night, I remember waking up 3 times and checking to see what time it was. Besides those 3 times, who knows how many other times I woke up that I do not remember. That has been a trend for the last week or so. Ive just been really restless lately. I thought it was because I was having messed up dreams for a while and they were causing me to wake up (i was having realy weird dreams for 3 or 4 nights), but I havent had (at elast I dont remember) any weird dreams the last couple of nights.. But, ive still been waking up.. Im not sure what is up, but I hope I figure it out soon - I want just 1 really good nights sleep!!