Naon Healing Daejung Sauna is a 24-hour sauna near Suyu Station in Seoul, with a bathhouse, jjimjilbang, and restaurant. Facilities include a high-temperature jjimjilbang and a salt room, and the restaurant is on site. The facilities are old, and the baths and sauna are small. After 11 p.m., TV noise, loud conversations, and noise around the sleeping room make it difficult to sleep.