# Morning Heart Palpitations: Causes And Solutions 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 waking up. However, https://www.diigo.com/item/note/b2knr/rked?k=8e33d441b96ca9085b8a3e849b134557