We spend nearly a third of our lives asleep, yet rarely question how the way we lie might shape our health. Left-side sleeping gently takes advantage of gravity and anatomy: it helps keep stomach acid from creeping upward, encourages food to move more smoothly through the intestines, and eases pressure on the liver so it can quietly do its detox work overnight. With the spleen and much of the lymphatic system on the left, this position may also support better circulation and immune function.
For many pregnant women, especially in the second and third trimesters, lying on the left can improve blood flow to the uterus and placenta, while reducing pressure on major veins. Still, no single posture works for everyone. Shoulder pain, joint stiffness, or certain breathing issues may require adjustments or a mix of positions. The real goal is simple: find a way of sleeping that supports comfort, alignment, and the quiet repair your body depends on.
