Less homework,less stress

Over the years, researchers and physiologists have made discoveries that prove homework a cause of high stress levels that effect children mentally and physically, including out of school activities, and most importantly sleep. Researchers have found that children need at least 8 hours of sleep to function properly. Less than 8 hours of sleep can effect a child's learning ability and attention span. my goal is to not eliminate homework, but to simply reduce the amounts given per week.