College is quite the transition. So is preparing for Student Orientation. The thing those two have most in common right off the bat is that they require a physical relocation of both person and possessions into a new living place. While dealing with moving into my new rooms (Bray 109, LXA 208, and Nugent 312 for SO) I often found it difficult to fall asleep.
Luckily for me, music is the first thing that comes to mind when looking for a solution to any problem. I’ve found several albums that work wondrously as sedatives.
Nighttime in Bray was lively and I often thought that even though I wasn’t tired, I should get sleep. In retrospect it was a good choice, since my 8AM classes would have been torture without a decent rest. But I digress; the first album I used for my insomnia was:

We Were Here, by Joshua Radin
Radin’s signature breathy voice combined with melodious acoustic guitar and soaring harmonies is enough to put down a racehorse. That’s not to insult the music; the album is excellent and I have fond memories of the first time I heard it. I’ve even developed new memories regarding my room in Bray thanks to its other uses.
The next album is from a band I got into sometime into my freshman year. I’m not sure exactly what compelled me to download their music. I was (still am) a fan of House MD and one night I got the theme music stuck in my head so I looked it up. The rest is history. It took a while for this album to grow on me, but now (9 or so months later) trip-hop has become one of my most listened to genres, especially in the field of sedation.

Mezzanine, by Massive Attack
Possibly the best album of its genre, Mezzanine combines dark undercurrents with the beats that brought the band to the forefront of trip-hop in the early 90s. Many of its tracks are featured in films, such as Angel (Pi, Snatch., Flight of the Phoenix), Teardrop (House MD), and also Dissolved Girl (The Matrix, briefly). This album never fails to knock me out. Even when I’ve gotten all the way up to Group Four without falling asleep, I’ll wake up two hours later to find that it worked. Still, my exploration with sedative music gets better.
This next band was a revelation in college. I’d heard of them, but never had the thought to listen to any of their music. One random day I was subjected to a concert DVD…and the rest is history! (I have to stop saying that…) One album in particular does the trick for me. It’s 2 CDs, almost 2 hours long and both full of complicated tracks and those that are quiet and drawn out enough to tranquilize me.

The Fragile, by Nine Inch Nails
Unlike The Downward Spiral, The Fragile is much more relaxed. Many of the tracks blend into each other seamlessly, creating one long sonic atmosphere to get sucked into. Some of the tracks rock pretty hard, but I find that I get lost trying to follow their beats as with Massive Attack. I first discovered this album in January trying to sleep on an uncomfortable couch and I found that I fell asleep after only 6 tracks out of 23. It seems that the sheer volume of continuous sound is enough to lull me away.
This is the last album I’ve used more than 5 times. It’s again by Massive Attack, but took me until June to get into. I don’t understand why, it’s just as good as the others. However, for the purposes of going to sleep, it definitely beats out Mezzanine. I’ve never made it past track 2 before passing out.

100th Window, by Massive Attack
Essential a solo project by Robert ‘3D’ Del Naja, this album continues the trend of heavy beats over dark undercurrents started by Mezzanine. Although similar in style, this album features more atmosphere including stretched tranquil introductions to just about every song. That combined with the soft vocals and hypnotizing beats makes for an album impossible to stay awake to late at night.
Honorable mentions:

Maxinquaye, by Tricky

In Rainbows, by Radiohead

Grace, by Jeff Buckley

Watchfires, by Braddigan