On June 26 Canada released the Canadian 24 Hour Movement Guidelines for Children and Youth. These guidelines call for at least 60 minutes per day of moderate to vigorous physical activity, no more than two hours a day of recreational screen time, limited sitting for extended periods and at least 9-11 hours of sleep per night for children 5-13 years, and 8-10 hours for those aged 14-17 years. They were developed by the Canadian Society for Exercise Physiology, the Conference Board of Canada, HALO-CHEO, ParticipACTION and the Public Health Agency of Canada, with input from research experts and stakeholders across Canada and around the world.
The process was informed by 9 peer-reviewed publications, all available for free via the journal of Applied Physiology, Nutrition and Metabolism.
Three papers of particular relevance to sedentary behaviour: