If your job required you to sleep 8h a night would that make it less restorative?
Like can you honestly say you'd feel rested if you had to wear a Fitbit like device to bed owned by your company to track your sleep?
You come in and do what you are told. You don't chat with friends or play around, you focus on whatever trainer told you to focus at. You dont do what you want to do, but what trainer thinks will make you more performant. And if it hurts or you are tired or just really want to do something else, you still do it.