Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. If you're already feeling chilly this fall, one way to warm your bones and reap all kinds of health benefits is by using an infrared sauna . While that might sound like an extravagant purchase, Wayfair has a ton of discounts on popular models during its Black Friday sale that's now live through Dec. 2. If you’ve been thinking about lev...