By Paul Donald You would think that one of the main things a person can look forward to during the holiday period is rest – but quite often the opposite is true. When you factor in the loss of routine, late nights and excessive meals, regular sleep can suffer, with some people even experiencing bouts of insomnia. In fact, studies by Serta Simmons Bedding have shown that those who are hosting family and friends during Christmas lose around two-and-a-half hours of sleep per night, but usually, once you get back to a regular life, these issues will disappear. And if you are having problems, don’t…