here is the bad news=if you were born in the 50 s or 60 s your life span or life expectancy is 70 years,or 25,550 days on earth. =if you were born in the 70 s or 80 s you life span or life expectancy is 74 years or 27.010 days on earth. that's if you are a man.now most of us sleep for about 8 hours a day,so that's one third gone,so the clock is ticking ,treasure each day because when you think about it we don't have too many.