It can become awfully confusing to know exactly what you child needs in able to develop to their highest capacity. How much sleep do they need? How much activity should they have? How much sit time do we allow? Is their school giving them time for the right activity level?
I want to share a great article with you which outlines study results to help take the guesswork out and give you clear cut guidelines. I highly encourage you to read this informative article by Dr. Sam Goldstein.