i was wondering if it is alright to just put my TiBook to sleep for the whole time i'm not using it. usually i just put it in sleep when i go to bed and then use it in the morning, put it in sleep, stick it in my bag and go to college, and then use it there. is it alright to have it in sleep while i'm transporting it? using sleep mode is alot faster than shutting down and starting up all the time, so i'm hoping that it's alright to do it all the time. one quick side question- is there a program or something in OS X that will tell me how much up-time my TiBook has had? thanks!