Most replayed moment: Why sleep may be the key to heart health | Dr Nour Makarem

Aug 11, 2026 · 13 min

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EP · ZOE Science & Nutrition · Most replayed moment: Why sleep may be the key to heart health | Dr Nour Makarem13:14

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0:00Hello, and welcome to Zoe Recap, where each week we find the best bits from one of our

0:05podcast episodes to help you improve your health.

0:10The more scientists study sleep, the clearer it becomes that it's not just about resting

0:14our bodies, it's much more than that.

0:17In fact, sleep is the foundation upon which a healthy diet, exercise, and overall well-being

0:22are all built.

0:24So what happens when that foundation is shaky?

0:26Recent research suggests that poor sleep quality may significantly increase your risk of heart disease and even heart attacks.

0:33Dr. Noor McCarran joins me to explore the powerful connection between sleep and heart health,

0:38and why both too little and too much sleep is a cause for concern.

0:45What is heart disease?

0:48Basically, it's the narrowing of the arteries or the vessels in our body that supply blood to our heart,

0:54which of course is necessary for pumping blood to all of our organs so that we can function.

0:59And heart disease begins with the narrowing of those arteries, the decrease or eventually even

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