Could these common nighttime habits quietly be raising your risk?
Key Points
- Stroke is a leading cause of death, but small, consistent habits can reduce your risk.
- It’s easy to focus on what to do by day, but experts say our nighttime habits matter, too.
- They suggest moving more, getting enough sleep and avoiding late meals and alcohol.
Stroke remains one of the top causes of death in the U.S.—and it’s becoming more common, according to the Centers for Disease Control and Prevention. So how can you lower your risk? The answer may partly lie in your nightly routine.
“It’s the small, consistent actions we take each day that significantly influence our risk for chronic illnesses like heart disease and stroke,” says Simran Malhotra, M.D., DipABLM, CHWC. “Many risk factors for stroke are modifiable, meaning they’re within our control—such as following a whole-food, fiber-rich diet, staying active, getting quality sleep, and avoiding substances like tobacco and alcohol.”
In fact, studies suggest that up to 84% of strokes are linked to lifestyle choices. While your daytime habits matter, your evening behaviors can also play a crucial role in protecting your health. To help reduce your risk, we consulted cardiovascular health experts for insights on what to steer clear of at night. Here’s one key habit to avoid:
1. Eating Late at Night
While grabbing a late dinner might be convenient after a busy day, it could be harming your heart and brain health. “Late-night meals can interfere with your body’s circadian rhythm and negatively impact both blood pressure and metabolism,” explains Michelle Routhenstein, M.S., RD, CDCES, a dietitian specializing in cardiovascular care. Over time, these disruptions may heighten your risk for heart problems—including stroke.
Studies have shown that eating your final meal after 9 p.m. may raise your risk of stroke compared to dining earlier in the evening. Interestingly, a similar risk increase is linked to eating a late breakfast, suggesting that when you eat—both your first and last meals—could play a larger role in stroke prevention than previously thought. Shifting your meals to earlier in the day may help support your body’s natural rhythms and reduce stroke risk.
2. Lounging After Dinner
After a long day, it’s easy to settle into the couch for the night—but spending too much time being sedentary in the evening could heighten your stroke risk, especially if you’ve already spent much of the day sitting. This applies even to younger adults. One large study found that people under 60 who were physically inactive and spent over eight hours a day watching TV, reading, or using a computer were 3.5 times more likely to have a stroke than those who were less sedentary.
Fortunately, even light movement helps. “A 20-minute walk after dinner can improve digestion and regulate blood sugar,” says Dr. Simran Malhotra. “That supports better heart health and lowers your risk for stroke, diabetes, and high blood pressure.” To boost benefits even further, try picking up your pace—a meta-analysis found that for every 0.66 mph increase in walking speed, stroke risk dropped by 13%.
3. Drinking Alcohol at Night
If you regularly wind down with a drink or two, it might be time to reconsider. Although earlier research once hinted that moderate alcohol intake could offer some protection against stroke, newer evidence tells a different story. “Alcohol promotes inflammation and causes cellular damage,” says Dr. Troy Alexander-EL. One large-scale international study linked both moderate and heavy drinking to higher stroke risk. Even having five or more drinks just once a month raised the odds. Swapping your nightly cocktail for herbal tea or a non-alcoholic beverage could be a simple, stroke-smart change.
4. Staying Up Too Late
Late nights spent watching TV, scrolling through your phone, or catching up on work could be doing more harm than you think. “Sleep is a core pillar of longevity and often the most overlooked lifestyle factor,” Malhotra explains. Both sleep deprivation and oversleeping have been linked to increased stroke risk. A meta-analysis found that people who slept five hours or less per night were 33% more likely to have a stroke. Surprisingly, sleeping too much might be even worse—those sleeping eight or more hours nightly had a 71% higher risk.
The sweet spot? Aim for a consistent eight hours of sleep per night. Sticking to a regular bedtime and wake-up schedule—even on weekends—can help your body maintain a healthy rhythm and lower your risk.
