What causes an irregular heartbeat feeling right before falling asleep?

What causes an irregular heartbeat feeling right before falling asleep?

1. Introduction and Direct Answer The sensation of an irregular heartbeat just before sleep is most commonly attributed to premature ventricular contractions or premature atrial contractions, which become noticeably perceptible when the body is at rest and ambient sensory distractions are minimized. These benign ectopic beats are frequently exacerbated by the natural increase in vagal … Read more

Is it dangerous if your heart pounds aggressively when trying to fall asleep?

Is it dangerous if your heart pounds aggressively when trying to fall asleep?

1. Introduction An aggressively pounding heart when trying to fall asleep is usually not dangerous and is most often attributed to benign premature contractions, autonomic nervous system fluctuations, or anxiety. However, if the pounding is accompanied by shortness of breath, dizziness, or chest pain, it warrants clinical investigation to rule out structural arrhythmias or thyroid … Read more