I used to be able to bring my bike into my previous lab every day without it getting in the way. My new lab is much busier and during the week I have to leave it locked up outside. It's just not practical to bring it in, and there doesn't exist a place where it's not in the way. Weekends though, I can bring it in. Much fewer people inside. There's actually building here that has indoor bike parking, so when classes are in session I keep my bike locked up there.