Why Do I Feel Vibrations in My Lower Stomach TikTok Pulse In Stomach: Common Causes and When to See a Doctor Have you ever noticed a pulsing in your belly when lying down? Its often normal, but if it feels unusually strong or comes with new pain, it could point to an abdominal aortic aneurysm, especially in Lower Right Abdominal Pain: 14 Causes & When to Worry HealthcareOnTime Abdominal Aortic Aneuysm SFVVG