There are many ways you can optimize your sleep. You can purchase the best mattress for your sleeping habits, complete with pillows and sheets, use a sleep mask, and have your bedtime routine down to a T. And yet, you could still wake up feeling groggy. Why?
The issue could be your sleep position. Sleep expert Professor Shelby Harris, who does research at the Albert Einstein College of Medicine in New York, recently spoke to a few publications about sleep position and its connection to sleep quality. Her research found that people who lie on their backs have the best chance of waking up well rested. Why? Back sleeping ensures the spine and neck are safely supported while the head is elevated above the chest. The body is less prone to move into any unnatural contortions, which reduces the risk of aches, pains, and heartburn.

Despite back sleeping being really good for you, itโs one of the least common sleep positions. According to the National Sleep Foundation, only eight percent of people sleep on their back! The most common sleep position is on your side, which according to Harris can lead to hip and shoulder pain, as well as acid reflux. (Not-so fun fact: Side sleeping can cause your food pipes to loosen.) Lying on your stomach is uncommon, with only seven percent of the population sleeping on their bellies. Which is good, considering stomach sleeping can be tricky, since youโre putting a ton of pressure on your frontside. This can lead to muscle and joint pain.
That said, if youโre a side or stomach sleeper, no need to panic. Despite Professor Harrisโs research, she reiterated that at the end of the day, it really comes down to comfort:
โAlthough it is commonly recommended that sleeping on your back is the best position to sleep in, comfort is key.โ
Just make sure you have the best mattress if you sleep on your side, or invest in finding the best bed if you prefer your belly.
Itโs no secret that sleep posture and position is key to a good nightโs rest. Still, every body is different, and there are a myriad of factors that can make or break your quality of sleep. But if youโre constantly waking up in a fog, Professor Harris would probably suggest giving back sleeping a try.
If youโre curious, she has an interesting suggestion. She told Business Insider to sew a tennis ball into the lining of your pajamas to make that position uncomfortable and near-impossible to sleep in, forcing the body to move to a new position. If thatโs not your cup of tea, you can can also try placing pillows on either side of you, along with one under your knees. Choosing the right pillow for back sleepers can also make the transition to this sleeping position easier. This could help you from rolling and moving around too much.
