"They told me at the blood bank this might happen."
"This is just a 15 minute power-nap like they raved about in the last time management course you sent me to."
"Whew! Guess I left the top off the liquid paper"
"I wasn't sleeping! I was meditating on the mission statement and envisioning a new paradigm!"
"This is one of the seven habits of highly effective people!"
"I was testing the keyboard for drool resistance"
"Actually I'm doing a "Stress Level Elimination Exercise Plan" (SLEEP) I learned it at the last mandatory seminar you made me attend.
"I was doing a highly specific Yoga exercise to relieve work related stress."
"Darn! Why did you interrupt me? I had almost figured out a solution to our biggest problem."
"The coffee machine is broken...."
"Someone must've put decaf in the wrong pot."
"Boy, that cold medicine I took last night just won't wear off!"
"Ah, the unique and unpredictable circadian rhythms of the workaholic!"
"I wasn't sleeping, I was trying to pick up contact lens without hands."
AND THE #1 BEST THING TO SAY IF YOU GET CAUGHT SLEEPING AT YOUR DESK:
"Amen"