Why does my heart race when I wake up?

medicalnewstoday.com - What does it mean when you wake up with a racing heart?

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Many factors can cause a person to wake up with a racing heart, including stress, sleep deprivation, sleep apnea, and changes in blood sugar levels. Sometimes, upon waking, it may feel as though the heart is beating very fast or pounding in the chest. A person may also feel shaky or anxious when this happens. Tachycardia is the name for a rapid heart rate. When a person has palpitations or arrhythmia, their heart rate becomes irregular. One reason for this is atrial fibrillation (A-fib). If a person has tachyarrhythmia, their heart beats irregularly and fast — over 100 beats per minute . A racing or irregular heart rate is not always a matter for concern, but it can indicate a medical condition, such as heart disease, diabetes, a sleep disorder, or anemia. If a person’s heart rate changes, it is best to seek medical advice to rule out any serious issues. This article looks at why a person may wake up with their heart racing and when to see a doctor.

Blood sugar levels Blood sugar levels can affect heart rate. One symptom of high blood glucose, or hyperglycemia, is a rapid heart rate. For people with diabetes, consuming sugary foods before a nap or before bed may cause them to wake up with their heart racing. Research also suggests that low blood sugar levels can increase the risk of arrhythmia. Low blood sugar triggers the release of epinephrine in the body. Epinephrine is a hormone that has a link to the “fight-or-flight” response, which can affect heart rate. How can I manage my glucose levels?

Caffeine Some experts say that caffeine consumption can increase heart rate. Caffeine is present in coffee, tea, soda, and some medications. Research suggests this may be true for some people, specifically those with a particular gene. However, a 2021 study that looked at data for more than 300,000 people found no evidence that caffeine increased the risk of changes in heart rate. Instead, the findings suggested that drinking coffee might reduce this risk by 3%. The American Heart Association advises people to consume coffee in moderation because scientific studies have not yet confirmed these findings. Other effects of caffeine consumption include: restlessness

anxiety

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trouble falling or staying asleep

headache Can you overdose on caffeine?

Night terrors A nightmare is a disturbing dream. Nightmares can cause physical symptoms, such as respiratory difficulties. This may cause a person to wake up with a racing heart. They may also experience sweating and shaking. Night terrors can also cause a person to wake up feeling panicked and with a racing heart. Experts have found links between night terrors, vocalizations, a rapid heart rate, and breathing problems. When a person wakes up, they may not remember the specific details of these episodes. How do night terrors affect toddlers?

Narcolepsy Narcolepsy is a sleep disorder that includes : sleep paralysis

sudden drowsiness

sudden muscle weakness

attacks of sleep It also has links with diabetes, heart disease, high cholesterol, and high blood pressure. Most people’s heart rate dips when they sleep. In people with narcolepsy, it may increase. Sleep deprivation A lack of sleep may also cause a person to feel that their heart rate is higher than usual. Sleep disturbances or not getting enough sleep can cause a number of health issues. The next day, the person may also feel that their heartbeat is slightly faster. According to the Radiological Society of North America, just 24 hours of sleep deprivation can lead to cardiac disturbances, such as an increased heart rate and high blood pressure. Fever Changes in the body’s temperature, for example, during a fever, may also cause changes in heart rate. A 2021 study of people in ICU found that for every 33.8°F body temperature rise in females, their heart rate increased by 9.5 beats per minute on average. For males, it was 7.2 beats. Alongside a fever, a person may have: sweating

chills

general fatigue

achy or sore muscles How can you treat a fever?

Medications A fast or irregular heart rate may be a side effect of various medications, including : antiarrhythmic drugs, such as adenosine

some anticancer drugs, for example, trastuzumab

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anticonvulsants, such as lacosamide

some antidepressants, for instance, citalopram

herbal remedies, such as Ginkgo biloba Anyone taking medications should first speak with a doctor about possible side effects that may affect the heart. When to see a doctor A person should seek help for any change in heart rhythm or heart rate because it can be a sign of an underlying problem. A doctor may carry out tests and order a Holter monitor. This records heart activity. It can monitor heart rhythms and may help with diagnosis. A person needs urgent medical attention if they have a history of heart disease or signs of a heart attack, such as chest pain. Learn some tips for stopping heart palpitations here. Frequently asked questions Here are some questions people often ask about heart palpitations at night. I cannot sleep because of palpitations. What should I do? Anyone who often notices changes in heart rhythm should seek medical advice as they may be a sign of an underlying health problem. If palpitations are due to stress, breathing exercises or meditation may help manage them. If a person is taking medication for a heart condition and has palpitations, they should contact a doctor. The medication may need a review. Why do I get palpitations at night? This can happen if a person has a heart condition, such as atrial fibrillation. Other possible causes of arrhythmia or a rapid heart rate include sleep apnea, narcolepsy, a lack of sleep, alcohol use, stress, changes in blood sugar, hormonal fluctuations, and so on.

medicalnewstoday.com - What does it mean when you wake up with a racing heart?

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