The traditional bed in Japan is called a futon and has been used for centuries. It consists of a thin mattress made of cotton or wool, a quilt or blanket for warmth, and a tatami mat for cushioning. Futons are eco-friendly, promote good sleep hygiene, and encourage a minimalist lifestyle. There are different types of futons available in Japan, including the shiki futon, kakebuton, and zabuton. To maintain your futon, air it out regularly and flip it over every few months. Traditional beds can be purchased at local stores or online retailers like Amazon or Rakuten.