# Why Does Your Heart Beat Faster After Waking Up? Do You frequently wake up with a sudden pounding or racing sensation in your chest? You may feel a sudden pounding, fluttering, or racing sensation in your chest. This is often a natural reaction as your cardiovascular system adjusts to https://sites.google.com/d/13oaYO7kAm91wxj9QbLAZE5wNOAGVf1EM/p/1wI11p0OMl8UUwL2-rXK8GwmOOW5t3pfN/edit