Looks like there are different views out there.
This from Vista users.
I am using W/7 and get the impression that it is better switched on than off but it does seem to make start up that bit slower.
Samsung Galaxy S9 review
ManvsMachine and other artists put Apple's iMac Pro to the test using powerful rendering tools
What to expect at Apple's 27 March education event
Comment filmer l’écran d’un iPhone ?