I have a memory from my childhood that still makes me smile. At six years old I have been told that old people tend do sleep less. So I went to my father and

I have a memory from my childhood that still makes me smile. At six years old I have been told that old people tend do sleep less. So I went to my father and asked: "Daddy, why do old people sleep so little?" He looked at me and said: "Because in a way they always sleep".