Skip NavigationGetty | iStock
I’ve written before about what I won’t touch after 7 p.m. But what we do in the morning may be even more important.
Those early hours of the day are when your heart is the busiest. It goes through a daily wake-up cycle: cortisol rises, blood pressure climbs, and heart rate variability drops as your system shifts from rest to “go mode.”
Research has shown that cardiovascular events tend to peak during the first few hours after waking. One often-cited analysis found a clear morning surge in heart attacks and sudden cardiac death. So what you eat, drink and emotionally take on in the morning matters more than most people realize.
I can already hear the objections: “But I’m rushed, under-caffeinated and negotiating with toddlers!” As a dad of three, I get it. I’ve made breakfast decisions I wouldn’t defend in a courtroom. Still, after 20-plus years as a cardiologist, there are a few things I just won’t do before 9 a.m.
1. Sugary coffee drinks
A large flavored latte can pack 30 to 50 grams of sugar before you’ve even had a real meal.That rapid glucose spike drives insulin up and can contribute to metabolic stress over time. And you’ll probably get hungry again in an hour.
2. Breakfast pastries
This is especially bad on an empty stomach. Croissants, muffins and danishes are basically refined carbs plus saturated fat, usually without much fiber or protein to slow things down. Translation: quick spike, quick crash, repeat. Your heart doesn’t need volatility at 7:15 a.m.
3. Processed breakfast meats
Breakfast meats like bacon, sausage and ham are often high in sodium and saturated fat, and many contain preservatives like nitrates that have been linked to cardiovascular risk when consumed regularly. Once in a while is fine. The issue is when you eat it every morning.
4. Energy drinks
This one is a non-negotiable for me. Energy drinks are often loaded with caffeine and sugar, along with other stimulants that can put extra strain on the cardiovascular system. They can raise heart rate and blood pressure and, in some people, trigger arrhythmias — especially first thing after waking, when the body is naturally ramping up for the day.
5. Nothing (especially when paired with stress and caffeine)
This one’s a little more nuanced. Skipping breakfast itself isn’t automatically unhealthy. If you’re intentionally fasting, staying hydrated, getting some light movement, and easing into the day calmly, that’s one thing.
But a lot of people aren’t really fasting. I’ve had so many patients who are simply running on adrenaline, drinking coffee on an empty stomach, racing through emails, and taking medications without food. By 10 a.m., the nervous system is already overstimulated and blood sugar is swinging dramatically.
As we get older, the body becomes a little less forgiving of those swings. A morning routine that includes hydration, nourishment, and a few moments to ease into the day can help your system function the way it’s designed to.
A cardiologist’s morning routine
Most mornings, I keep it simple because consistency matters more than perfection. I try to focus on a few things: protein, fiber, hydration, and keeping my nervous system from starting the day at a sprint.
That might look like eggs with fruit or cottage cheese with berries and walnuts. I also love Greek yogurt or oatmeal with chia seeds. Other mornings, I’ll eat half a breakfast while packing lunches and finish the rest later.
I usually drink water before coffee, and I try not to make caffeine the first signal my body gets that the day has started. I’ve noticed that people often underestimate how much the nervous system affects cardiovascular health.
Of course, you should always consult with your healthcare provider before making any drastic changes to your routine or diet. But mostly, what I tell all my patients is that a rushed, chaotic morning changes your physiology. Even five minutes of slower breathing, stepping outside for sunlight, stretching or taking a short walk can help your body transition more smoothly into the day.
Dr. Sanjay Bhojraj, MD, is a board-certified interventional cardiologist and certified functional medicine doctor. A pioneer at the intersection of precision cardiology and lifestyle medicine, he is the founder of the Laguna Institute of Functional Medicine. Dr. Bhojraj is also a national educator for the Institute for Functional Medicine. Follow him on Instagram.
Want to lead with confidence and bring out the best in your team? Take CNBC’s new online course, How To Be A Standout Leader. Expert instructors share practical strategies to help you build trust, communicate clearly and motivate other people to do their best work. Sign up today!
About The Author
