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Does snoring mean deep sleep1/12/2024 ![]() That’s because exercise strengthens the heart muscle, allowing it to pump a higher volume of blood with each heartbeat. If you run or do other moderate to vigorous physical activity regularly, you can lower your resting heart rate. If your dream is scary or involves activity such as running, then your heart rate rises as if you were awake,” says Dr. ![]() “Your heart rate can vary quite a bit during REM sleep because it reflects the activity level occurring in your dream. When you dream, you enter the sleep phase known as REM (also known as dreaming sleep). But during the next phase, deep sleep, your blood pressure falls and your heart rate slows to about 20% to 30% below your resting heart rate. People typically spend about half the night in light sleep. Your body temperature drops and your muscles relax. Within about five minutes after you drift off to sleep, your heart rate gradually slows to its resting rate as you enter what’s known as light sleep. Lawrence Epstein, associate physician with the division of sleep and circadian disorders at Harvard-affiliated Brigham and Women’s Hospital. “During sleep, the stimulation of your nervous system is reduced and most of your body processes slow down,” says Dr. How does your heart rate change while you sleep? But what happens when you lie down to sleep? The answer differs depending on the phase of sleep: light sleep, deep sleep, or rapid eye movement (REM) sleep. ![]() Even intense emotions - fear, anger, or surprise - can cause your heart rate to spike. ![]() Once you stand up and move around, your heart rate goes up. In most adults, resting heart rates range between 60 and 100 beats per minute. During your waking hours, the number of heartbeats per minute when you’re just sitting quietly is known as your resting heart rate. Even if you don’t wear a smartwatch or fitness band to track your heart rate, you can often sense your pulse fluctuating throughout the day. ![]()
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