<span>"Sneaking around" would be a better synonym as it means to pry into others affairs or in a fashion not overt but with an eye to gathering information which can be used against the person being searched later on.</span>
I would say definitely use your time wisely. Make sure you are fully focused too. Though it may be difficult to focus, (I understand) try and find some outside resources that can help you bring interest into what you're learning in any subject.
