Some exercise to the fullest extent imaginable their new-found freedom. This doesn't always support the academic effort, but, thankfully, often subsides as this behavior gets a bit boring rather soon. Homesickness is still a favorite. Discuss these issues with yourself, if with no other person. In short, dorms can be the worst possible places for students to live.
Dorms are seldomly conducive to much serious work.
Oddly enough, freshmen often find themselves there. I personally believe this is just backwards. I know all about the social benefits, but socializing isn't a common stumbling block for new, excited, eager undergrads. Look into all scenarios, especially off-campus residence situations. Often, institutions that have graduate programs attract stronger faculty than those that do not.