Hours Of Operations Sleepy's Illinois Mason City 62664 Sleepy's Hours of Operation and Location in Mason City, IL 62664 4.4 - 44 votes 30187 E Cr 800n, Mason City, IL 62664 (217) 482-3412 Get Directions Sleepy's Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore Mason CityView More Apparel CoachHurley Recommend For You El Toro Market Slumberland Tops Markets Carter's Daphne's Spartan Stores Del Toro Landscape Taf-The Athlete's Foot Benetton Max 10 Family Fashions