There are other ways to alleviate some of the problems associated with shift work. When the rotating shift system must be used, changes from one shift to another should be made as seldom as possible-for example, every month instead of every week. Another way to ease the change from one shift to another is to lengthen the time between shift changes. A longer period interim makes the change less abrupt and allows employ ees to rest before starting a new schedule. Because the night shift is the most difficult for employees and the least productive for Employers, it could be shortend to make it less stressful