- Forty-two percent of couples sleep back to back while 31% sleep facing the same direction and only 4% spend the night facing each other
- Ninety-four percent of couples who physically touch during sleeping are happy in their relationship while only 68% of couples who don’t touch are happy
- Eighty-six percent of couples who sleep less than an inch apart from each other are happy, while only 66% of those who sleep more than 30 inches apart are happy
Source: University of Hertfordshire
