Smart watch alerts about heart health
Ask the doctor

Some smart watches can also alert you to breathing disruptions during sleep — a possible sign of obstructive sleep apnea and a risk factor for both coronary artery disease and afib. Often, a bed partner will notice loud snoring (a hallmark of sleep apnea). But if you sleep alone, this feature could come in handy.
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About the Author

Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
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