Tanya Little/Moment/Getty ImagesSchool is back in full swing, which means long days, homework, tests, projects, extracurriculars, and more, with limited time for rest. As adults, we all understand the feeling of wanting to crash onto the couch Friday after work and not leave a horizontal position until Sunday evening. But what about our kids? How can we tell when they are a normal amount of “I don’t want to get out of bed” versus a concerning amount? These are the signs your kid needs a mental health day off from school, according to a pediatrician.According to the National Alliance on Mental...