Thanks for the response. I just have one remark: > one of my roommates is always cold and refuses to believe we sleep better cool I don't think this is univer

Thanks for the response. I just have one remark: > one of my roommates is always cold and refuses to believe we sleep better cool I don't think this is universal, although it is often stated as such. I too sleep best when the room is between 24 and 25 degrees Celsius (during the winter, too).