I encourage people to do so; the unused power can be used for good purpose than benefits as all :). Grid with the cpu (is has low priority so it won’t slow the computer down.) and fold with the gpu.
I have my laptop on 8-12h and it’s folding and griding during that time.
I used to fold, and ran the WCG through BOINC. (I was both an alpha and beta tester for BOINC)
My old computer was on 24 hours a day, and was constantly running distributed computing projects. It melted down a few years ago, and I’ve never gotten back into it with my new(er) system.
You can customize how you want it of course The stable one is running very good and okey. Folding[at]home beta is running perfectly fine (at least for now and for me)