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HowToPreventHeartDisease.com |
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What Is the Link Between Heart Disease And Sleep? Sufficient sleep is essential to maintain good health. Getting adequate good sleep helps the body repair itself and function normally during the day. During the sleep, there will be periods of calm for the heart, blood vessel and immune system. But there will also be interruption caused by the spikes in blood pressure and heart rate. Blood flow through the heart and brain varies widely during sleep, and so are the electrical activity in the heart, the elasticity of blood vessels, and the tendency of blood to clot. All of these activities are just part of a normal night’s sleep. Human body has an internal clock to govern the body’s system. Too little of sleep can affect the clock and disturb the intricately timed release of hormones and other chemical signals, as well as cause fatigue and daytime drowsiness. Uncoordinated hormonal signals can affect many systems in the body. Poor sleep has been linked to serious health disorders including high blood pressure, atherosclerosis, heart disease, heart failure, heart attack and stroke, diabetes, and obesity. Poor sleep can affect the heart, but heart disease can disturb sleep, too. Inflammation may probably be the one factor to link these together. Poor sleep increases levels of C-reactive protein, interleukin-6, tumor necrosis factor-alpha, and other substances that reflect active inflammation. It plays a key role in heart disease, diabetes, and other chronic conditions. Occasionally heart disease may cause poor sleep. For example, people with heart failure may sometimes wake up at night with trouble breathing stemming from fluid buildup in the lungs. There is some evidence that heart failure can lead to central sleep apnea, a breathing problem in the brain's respiratory center that can cause a person to awake many times at night. Others may have nocturnal angina (chest pain) that can interrupt sleep. Bouts of atrial fibrillation or palpitations can also disturb sleep. Sleep apnea, orthopnea, insomnia, and periodic limb movement disorder are some of the sleep problems that might be associated with heart failure.
Up to 70 percent of heart failure patients experience obstructive sleep apnea (OSA) and or central sleep apnea (CSA). Both OSA and CSA interrupt nighttime breathing and contribute to daytime fatigue. Both conditions can result in a periodic drop in blood oxygen levels, increasing the adrenaline levels in the body and result in awakening. All of these activities are harmful to heart failure control. Many people with heart failure also experience orthopnea, a feeling of breathlessness while lying down, or paroxysmal nocturnal dyspnea, shortness of breath that wakes them up after one or two hours of sleep. Insomnia, which often goes hand in hand with chronic conditions, may also be blamed. If one has a chronic condition, often there is a degree of concern or anxiety. Sometimes there is concern over hospitalizations, medication schedules. Or there is decreased activity. All of these things affect the ability to maintain sleep. Periodic limb movement disorder (PLMD) is a condition in which there is increased nerve traffic in the legs and arms causing them to twitch involuntarily while sleeping that may cause one to awake. A person would not remember these twitches because they are very brief episodes. But they can disrupt sleep so that one can wake up feeling not refreshed or just tired. At least 7 hours of sleep each night is required for most adults. But many people can hardly achieve this due to various reasons. Improving sleep depends on what is causing the problem. It may involve adopting better sleep habits for some people and it may mean coping with sleep apnea for others. First of all, one can train his or her body’s rhythm by sticking to a regular sleep schedule: go to bed at the same time every night and rise at the same time each day. Having enough physical activity like brisk walking or other exercises during the day appears to help with sleep. But one should not exercise within a few hours of bedtime. People who have sleep apnea may use a breathing mask that delivers pressurized air from a small pump. Using mouth guards that force the jaw forward can also help keep the airway open during sleep. Date: September 17, 2020
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