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Sleep and heart health are closely connected, but many people don’t realize how important good sleep is for keeping the heart healthy.
Getting quality sleep is not just about feeling refreshed the next day—it can also help prevent heart disease, which is the number one cause of death around the world.
Many studies show that sleeping too little or too much can be bad for your heart. Most adults need between 7 and 9 hours of sleep each night to stay healthy. If your sleep schedule is off or you don’t sleep enough, you could be at higher risk for problems like high blood pressure, weight gain, and diabetes. All of these are linked to heart disease.
When you sleep well, especially during deep sleep, your blood pressure goes down. This gives your heart and blood vessels a chance to rest and repair. Sleep also helps your body control stress hormones and keeps your nervous system balanced, which is good for your heart.
On the other hand, not getting enough sleep can cause your body to make more stress hormones like cortisol and adrenaline. These raise your heart rate and blood pressure. If this happens often, it puts extra pressure on your heart and can lead to heart disease.
Another serious sleep problem is sleep apnea. This is when your breathing stops and starts during sleep. These pauses can cause your blood oxygen to drop, which increases your blood pressure and harms your heart over time. People with sleep apnea are more likely to have heart attacks, irregular heartbeats, heart failure, and strokes.
Insomnia, which makes it hard to fall asleep or stay asleep, can also hurt your heart. If you often have trouble sleeping, your blood pressure may stay high at night. This keeps your body in a stressed state and makes your heart work harder.
The link between sleep and heart health goes both ways. Poor sleep can lead to heart problems, but heart problems can also make it hard to sleep. For example, people with heart failure may wake up often because of chest pain, trouble breathing, or needing to use the bathroom.
The good news is that better sleep can lead to a healthier heart. You can improve your sleep by going to bed and waking up at the same time every day, keeping your bedroom quiet and dark, and avoiding caffeine and screens before bed.
If you have a sleep disorder like sleep apnea, using a CPAP machine or other treatments can help you sleep better and protect your heart.
In short, sleep is just as important as eating healthy and staying active when it comes to protecting your heart. If you often have sleep problems, talk to your doctor. Fixing your sleep may be a big step toward better heart health.
If you care about heart disease, please read studies that herbal supplements could harm your heart rhythm, and how eating eggs can help reduce heart disease risk.
For more health information, please see recent studies that apple juice could benefit your heart health, and results showing yogurt may help lower the death risks in heart disease.
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