How old is old? I'm 66 and still waiting. If I go to bed at 10 or 2 I still wake up at 5-5:30. Maybe it's the chickens. No, must not be, I've been that way for decades.
Are you the professor? Are some of the naps in class? A lot of people identified with this:
https://www.facebook.com/96XWROX/pho...type=3&theater
JKJ