I would say depending on how private your bedroom is, this would be the place to go and you could always have make an excuse if you don't want someone going in there..

Buy yourself a small cupboard/closet what ever you find suitable for your room and convert it into your growbox.. Check out my thread, I started from a small shelf laying around in my basement..

http://boards.cannabis.com/showthread.php?t=85215

Page 2 is where my closet is almost fully developed, Im just doing some finishing touches and I will be starting my plant..

If height is a problem with what ever cabinent you end up choosing you techniques such as LST, which I have an excellent guide to

http://www.gardenscure.com/420/train...more-walk.html

What type of lights are you going to buy, As you can see I went with CFL's cause Im only growing one plant, I dont plan to harvest an amazing yeild, I just want the satisfaction of some homegrow...

Also, you should make an account on several different forum sites. This way you can have more then one opinion and alot more replies Good luck with ur grow :thumbsup: