Question

why is it generally advised that every living room must get direct sunlight at least for a short time

Answer 1

The chance for dirt and germs to flourish in living room is high since it is used by all. Direct sun light not all improve the air but also kills many germs. Thus direct sun light can clean up rooms. After all a healthy room provides a lot for the betterment of the family. It is because of this that good number of windows and doors are suggested while constructing an house.

Answer 2

itz becoz the sunlight have the capacity to kill microbes also the sunlight to a living room is necessary to maintain a pleasnt environmnt..
thus..it is generally advised that a living room must get dirct sunlight at least for a short time.
hope it helped:)