You'd have to be outside to get that "benefit". Sedentary people have sunlight blocked by their roof. Sunlight kills bacteria and viruses, stimulates vitamin D

You'd have to be outside to get that "benefit". Sedentary people have sunlight blocked by their roof. Sunlight kills bacteria and viruses, stimulates vitamin D production, and has a number of emotional/cognitive benefits. Being inside 24/7 is not good for you. For most of our history we spent every daylight hour outside hunting or farming, we're adapted to this situation.