According to sleep experts, if you want to get quality sleep at night, it's best to keep the bedroom cool. The ideal temperature ranges are between 66 to 69° F for adults and 65 to 70° F for babies and the elderly, who may not have the best temperature regulation. Purple sheets are also made of soft, stretchy, and breathable material – particularly, a bamboo-blend fabric that wicks moisture and keeps you cool all throughout the night   Purple sheets are also made of soft, stretchy, and breathable material – particularly, a bamboo-blend fabric that wicks moisture and keeps you cool all throughout the night.