Dr. Rohit Alora, the leader of the new study and an expert in cardiology at the Chicago Medical College, said that adults who sleep less than 6 hours or more than 8 hours a night have a greater risk of developing multiple heart disease problems.
Studies have found that too little sleep can cause blood pressure fluctuations, which can significantly increase the risk of stroke, heart attack and heart failure. On the other hand, excessive sleep is a manifestation of hypoxia, which will increase angina pectoris and narrowing of coronary artery, leading to insufficient blood and oxygen supply to the heart.
If you sleep with apnea, which is often called snoring, the risk of high blood pressure will be higher. Studies have shown that more than 50% of patients with obstructive sleep apnea syndrome are complicated with hypertension; Among hypertension patients, 30% were complicated with obstructive sleep apnea syndrome. More than half of the patients have large fluctuations in blood pressure, and their blood pressure does not drop during sleep. Some even have higher blood pressure at night than during the day. Most patients have high blood pressure in the morning.
Dr. Alora said that clinicians should consider their sleep factors in the diagnosis and treatment of patients, especially those who have already developed high-risk factors of heart disease. People at high risk of cardiovascular and cerebrovascular diseases should try their best to ensure regular living, adequate sleep and not stay up late. For those who don’t sleep enough for 7 hours at night, or who don’t sleep deeply and have poor sleep quality, it’s best to develop the habit of moderate lunch break to match the biological rhythm of the human body. In addition, it is very important to ensure the “high-quality sleep time” from 10:00 p.m. to 5:00 a.m. usually, the human body can achieve deep sleep during this period, which is the best time to alleviate fatigue.
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