Why should you sleep on your left side?

Whether you sleep curled up or diagonally, on your back or stomach, the position you adopt each night directly impacts the quality of your sleep and, by extension, your health. In fact, an unsuitable sleeping position can affect your back, promote snoring, and even cause acid reflux. Sleep specialist Professor Pierre Philip explains: "A suitable sleeping position respects the natural curvature of your spine and limits pressure on your joints."

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