Orang Yunani kuno memakai pakaian putih untuk tidur dengan harapan agar tercipta mimpi yang menyenangkan. White was the common colour of both Adult males and women's underwear and of sheets during the 18th and 19th centuries. It had been unthinkable to obtain sheets or underwear of almost every other color. https://www.propanraya.com/warna-putih-untuk-interior-yang-bersih-dan-elegan-pilihan-tepat-dengan-cat-eco-emulsion-ee-4010