College has resumed on America’s campuses, and most students can work through their start-of-semester stress with a trip to the gym, a comforting call with a parent or a late-night binge. But for some students, normal days are a challenge – let alone high-stress exam periods and the beginning of a new term. That’s why a small but growing number of schools offer special rooms where students with anxiety, autism, ADHD, post-traumatic stress disorder or sensory challenges can go to decompress.