We all need to relax and recharge which is why vacations are important. Whether it's change in behaviour or inability to focus on work there are signs that tell you to take a vacation now. Our life revolves around work for sure. This was proved by a recent survey conducted by an internet-based market research firm Harris Interactive which reveals only 57 per cent of Americans utilise all their allotted vacation days. If you are wondering whether you should take leave or not see the following signs that indicate you need a few days off reports huffingtonpost.com. (Also read: Workaholic