European retailers (IKEA, Rewe, Edeka) are implementing "Quiet Hour" programs—designated periods with reduced sensory input (dimmed lights, no music, no announcements)—to serve neurodivergent customers with autism, ADHD, sensory processing sensitivities, and other conditions. The concept, originating in New Zealand, is expanding rapidly across retail, cinemas, museums, and lifestyle venues as inclusive marketing strategy. Thai SMEs can adopt this customer-centric approach to differentiate their service offering and capture underserved customer segments seeking low-stimulation shopping environments.