You know your tired when...
-you reach in your bag for your fries and start chewing only to realize about 10 seconds later that your eating your straw wrapper.
-you wake up and don't know who or where you are.
-When the chair squeaks you reply it needs some 409 (when you meant to say WD40)
Comments
http://www.worldofquotes.com/author/Jack-Handy/1/index.html
Uhhhh...yeah...