blue20ae

QUOTE
研究發現，普遍每晚睡少過6小時者，在25年間比一般建議睡6至8小時者早逝機會增12％
UNQUOTE

Let's see, if you sleep 2 hours less everyday.  For 25 years, there are 18,250 extra hours, that is equivalent to an extra three years in your life (for 24-8 hrs a day).  With the odds of 12%, it is a sure bet.  What's the point of to be alive, if you are sleeping.