Toyoake City proposed an ordinance regarding smartphone use The ordinance recommends limiting non-work and non-school smartphone use to two hours daily Officials cite health risks like sleep disturbance as a reason for the limit The ordinance targets elementary school students, prohibiting smartphone use after 9:00 p.m The ordinance targets junior high school students and older, prohibiting smartphone use after 10:00 p.m The city has approximately 68,000 residents This is potentially Japan's first municipal smartphone limit The two-hour smartphone limit is not mandatory The guidelines acknowledge smartphones' usefulness in daily life Toyoake City plans to collaborate with tech companies, schools, and community centers.