Some i found on the web:

-- The roads are so smooth here. I didn't know I was doing 85 mph, because I didn't feel it.


Being Sleepy at work excuses:

• This is one of the seven habits of highly effective people !
  
  
• 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.
  
  
• Damn! Why did you interrupt me? I had almost figured out a solution to our biggest problem.