CalmHeart1 Heart Palpitations: Common Causes and How to Calm a Racing Heart Heart palpitations can feel alarming, especially when stress, caffeine, or posture shifts play a role. This guide gently explains why your heart suddenly feels fast or fluttery and offers simple ways to bring your body back to calm.💓 When Your Heart Suddenly Feels Too Loud or Too FastYou’re sitting quietly—reading, working, or resting—when your heart suddenly beats harder than usual.A quick thu.. 2025. 12. 31. Previous 1 Next