Why Is My Heart Pounding at Night?

Person lying in bed at night with hand on chest noticing heart pounding

Heart pounding at night is common and often harmless, but recurring episodes may signal sleep apnea, stimulants, anxiety, or arrhythmia. Learn causes and when to see a cardiologist.

Can Dehydration Cause Heart Palpitations?

Glass of water on a warm day representing hydration and heart health

Yes, dehydration can cause heart palpitations. Learn how low fluids and electrolytes affect heart rhythm, Texas summer risk, and when to see a cardiologist in Plano or Frisco.

Can Lack of Sleep Cause Heart Palpitations?

Person awake in bed at night with hand on chest, tired from lack of sleep

Yes, lack of sleep can cause heart palpitations. Learn how sleep debt affects heart rhythm, sleep apnea links, when one bad night matters vs chronic debt, and when to see a cardiologist.

Heart Palpitations When Lying on Your Left Side

Person lying on left side in bed noticing heartbeat at night

Heart palpitations when lying on your left side are often tied to heart position, the vagus nerve, or reflux. Learn when to switch sides and when to see a cardiologist in Plano and Frisco.