Replying to Restfull sleep

ever since i got back to university from reading week i havnt been sleeping well... ill wake up every hour or so during the night and when morning comes around i dont feel rested at all. Im not stressed about anything at the momnet, and i was sleeping fine up untill 3 nights ago.Is there any thing i can try to make my sleep more restful?
Like a virgin on promnight!

-Thom Savery
please pardon the cacography
----------->Capital.City.Rider.
--->Phunkin.Phatt.Phreerider.

'naahhmahhnahhhahhh ... i mean ... the weekend of monday'
'Go down to the bottom bunk and finish it yourself'