Lifestyle has a huge impact on heart health, including eating a nutritious diet, getting regular exercise and staying at a healthy weight.

It means the decisions you make during your waking hours can affect the biological pump keeping you alive.

But what happens the rest of the day also matters — nighttime is important for your heart, too.

Cardiologist Tip of the Day: Get Enough Sleep for Heart Health

Getting seven to nine hours of sleep every day for adults is “crucial” for heart health and overall wellbeing, Dr. Jennifer Haythe, a cardiologist at Columbia Women's Heart Center in New York, told TODAY .

“We’ve realized as a community of doctors and scientists that it’s really important to have relaxation as part of your overall wellness,” she noted.

Why It Matters

The American Hea

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