Just like the air we breathe, the water we drink and the food we eat, sleep is an essential part of life. But of all those things, sleep is probably what we don’t get enough of, be it quality or quantity. But studies show that if you’ve got someone lying next to you, there are some benefits. So even if you’re sharing a bed with a snorer, kicker and/or blanket-stealer, it still might be better than no one at all. Here’s why.