The end of the year is coming. Your employees are tired, and the rising temperature outside is a lot more enticing than another day at the office. In 2012, the Sydney Morning Herald reported that approximately one in 40 Australian workers call in sick each day. The lost productivity your business experiences from absent employees adds up over the course of a year. Here are three ways you can encourage your employees to say no to days off these coming summer workdays, and be at their workstations instead.