Found in the comments here: http://imgur.com/VS5ZcE0
Stashed in: Smile!, gifs, Snow!, @karengillan2
Your Ancestors Didn't Sleep Like You -- Are We Doing It Wrong?
4 secrets to reading body language like an expert - The Week
18 Incredible Science-Based Benefits of Regular Sauna Use
Five Why's: How Asking 5 Questions Allowed Me to Eat Dinner With My Kids, by Charles Duhigg, the New York Times