The concept of the power naps divides opinion: some people firmly stand by them, while others think they offer no tangible benefit at all. If youre a doubter, this video may be enough to convince you that they really do work.The problem is, of course, getting the timings right: dont sleep long enough and youll feel no benefit, sleep too long and youll feel worse than ever. Fortunately, practice makes perfect.

via The Science of Power Naps.