This article explores the history and practices of baby sleeping in Japan, from traditional co-sleeping to modern individual beds/cribs. It looks at the benefits of traditional co-sleeping and challenges of modern approaches, as well as offering tips for parents on how to get their babies to sleep in Japan. Co-sleeping is still practiced by many families and can help build strong emotional bonds between parent and child, while individual beds/cribs are becoming increasingly popular due to safety regulations and increased awareness about SIDS prevention. Parents should establish a consistent routine, make sure the bedroom is comfortable, spend quality time before bedtime, stick with what works, and utilize white noise machines.