Almost all of us have been there, haven't we? You've been up all night with the DC and in the haze of being utterly knackered, done something strange.
I'm currently up with DS2 (9 weeks) and on my way to the kitchen to get a drink I walked smack into the door frame.
Yesterday the chap who came to read our gas/electricity meters asked if he could have a quick cold drink as it was so hot out. He looked fairly surprised to be offered a nicely chilled bottle of expressed breast milk. Quickly realised my mistake and offered him a can of Fanta as an alternative.
So what's the most bizarre/funniest thing you've done while running on very little sleep?