If you buy something from a link in this article, we may earn a commission. Learn more REVIEW – Over the years, my wife and I have tried a variety of different materials for sheets and pillowcases, including cotton, flannel, satin, silk, and microfiber.  All have their place.  Some are warmer, and some are cooler.  … Continue reading Sleepgram Bamboo Sheet Set and Silk Pillowcase review