Since I turned 40, I’ve discovered that I drool a lot more in my sleep. Sometimes it looks like I just took a sip of a sudsy beer. What’s up?

Nice. According to Dr. Clete Kushida, director of the Stanford University Center for Human Sleep Research, the lip leakage could be the result of your sleeping position: “People who sleep on their stomach with their mouth in a dependent position — if their head is on the corner of the pillow with their mouth facing the mattress — tend to drool….