A TikTok user has shared a "cool fact" about the best way to sleep - and how it can spare you from waking up with a stiff ...

If you're struggling with a stiff neck or sore back upon waking, it might be time to reconsider your sleeping position.

She continued: "The optimal position for spine alignment is lying on your back with a pillow under the knees to soften the ...

The position involves lying on either side with legs straight or slightly bent, often with one arm under the pillow or nestled by your side. While children tend to sleep in a variety of positions ...