Things to say if you get caught sleeping at your desk:

10)   "They told me at the blood bank this might happen."
 9)   "This is just a one-minute power nap, like they suggested in that time
management course."
 8)   "Whew!  Guess I left the top off the liquid paper ...!"
 7)   "I wasn't sleeping! I was meditating on the mission statement and
visioning a new paradigm!"
 6)   "This is one of the seven habits of highly effective people."
 5)  "Someone must have put decaf in the wrong pot."
 4)  "I was testing the keyboard for drool resistance."
3)   "Darn!  Why did you interrupt me?  I had almost figured out a solution to
our biggest problem."
2)  "The coffee machine is broken ..."

And the best thing to say, if caught sleeping at your desk:

1)   "Amen!"