But did you know your sleeping position can impact your health? 2 / 8 Sleeping on your back, also known as the supine position, keeps the head, neck, and spine aligned. It supports proper spinal alignment, eases acid reflux, and reduces snoring—making it a healthy choice for many people. It aids digestion, prevents acid reflux, and improves blood circulation for pregnant women, helping both mother and baby. ADVERTISEMENT7 / 8 Sleeping on the right side, however, may put strain on organs like the liver and worsen acid reflux.