 The Canadian Society for Exercise Physiology has created new guidelines for children aged 0 to 4 years called the Canadian 24-hour Movement Guidelines for the early years. These guidelines integrate physical activity, sedentary behavior, and sleep into a whole day, 24-hour period, approach. The development process followed rigorous and transparent procedures, including the appraisal of guidelines for research and evaluation, agree-to, instrument and the grading of recommendations assessment, development, and evaluation, grade, methodology. The guidelines provide evidence-informed recommendations on combinations of light-dash, moderate, and vigorous intensity physical activity, sedentary behaviors, and sleep for infants, toddlers, and preschoolers. Proactive dissemination, promotion, implementation, and evaluation plans were prepared to optimize uptake and activation of the new guidelines. These guidelines represent a sensible evolution of public health guidelines by framing optimal health within the balance of movement behaviors across the whole day while respecting preferences of end-users. Future research should consider the integrated relationships among movement behaviors, and similar integrated guidelines for other age groups should be developed. This article was authored by Mark S. Tremblay, John Philippe Chappoux, Christy B. Adamo, and others. We are article.tv, links in the description below.