In Pics: Delegates who slept off at Copenhagen

Delegates rest, after a 24-hour period of plenary sessions at the UN Climate Summit in Copenhagen, on Saturday December 19, 2009. UN Secretary-General Ban Ki-moon said "We have a deal" after a climate conference in Copenhagen decided to recognise a political accord brokered by President Barack Obama with China and other emerging powers. Take a look at all those who nodded off during this important moment.