Small and medium-sized practices are perhaps the most vulnerable to the 'always on' culture of overworking. Increasingly dependent on mobiles, Blackberrys, email and internet, it's easy to get caught up on a treadmill of endless work tasks that diminish your time for leisure, friends and family. In the worst cases this leads to stress.

Small businesses lose an average of 7 days a year to absenteeism, according to a survey by the Small Firms' Association, and the biggest contributing factor to this is stress.