From the tail end of November all the way to New Year's Day, it is a struggle to stay focused. You have a hundred things going in your head including work duties, Christmas and New Year's dinner spread, to your own naughty and nice list. It doesn't end when the holidays finally roll around, as back-to-back social calls and family duties follow. The good news is, the holiday obligations end. The bad news is, it's time to go back to work. The most wonderful time of the year is also the greatest productivity killer. Pick yourself up after the holidays with these tips to get you back in top working form.