This article explores the history of sleeping habits in Japan and how they have evolved over time. It discusses traditional and modern sleeping habits, factors influencing Japanese sleep habits, benefits and challenges associated with them. It is found that most Japanese do indeed sleep in beds but still prefer traditional methods such as tatami mats and futons due to cultural beliefs, personal preferences and financial constraints amongst other factors. There are numerous benefits associated with these methods such as improved posture alignment, improved blood circulation etc., however there can also be some challenges associated with them.