Sleep.  And I have heard it said that man spends a third of his life sleeping, or something like that.  And then one can sleep even more if they are lazy or what not.  And then there are natural sleep aids for those who use them for some reason or another. And if you happen to be looking for those natural sleep aids, you can find them and information about them at SleepingAidReviews.net. They are a website where you can find popular sleeping aids, sleeping aid reviews and more, as they are all sleep aids all the time.