It is suggested that we sleep 8 hours a day for overall health and well being. So if we indeed sleep 8 hours a day, we are asleep for one third of our lives. So if I live till 90
It is suggested that we sleep 8 hours a day for overall health and well being. So if we indeed sleep 8 hours a day, we are asleep for one third of our lives. So if I live till 90