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Among the workers who have to go to work early in the morning, many alarms are set in several minutes to wake up at a fixed time. However, there is a study that sets several alarms like this can cause chronic fatigue. According to a study by Professor of Sleep Medicine at Harvard University, Buxton, the human body releases awakening hormones when it wakes up after hearing an alarm. However, when you turn off the alarm and lie back down, the activity of the awakening hormone is delayed and the adenosine, a substance that causes fatigue, is secreted, making the human body asleep inertial state that is not fully awake from sleep. Sleep inertia usually lasts 30 minutes and 2 hours long. If you wake up in an alarm every few minutes and then fall asleep again, sleep inertia lasts longer. If these are repeated, they can accumulate fatigue and lead to chronic fatigue. "Never press the snooze button." Professor Buxton asks. The snooze button is similar to setting the alarm at interval...

Heart disease is the main cause of death, accounting for one-third of the world's deaths in 2019. China had the largest number of heart disease deaths last year, followed by India, Russia, the United States, and Indonesia. France, Peru, and Japan had six times lower mortality rates than in 1990, and the lowest in the world. The U.S. health information website WebMD explained the world's No.1 death rate for heart disease. Image by  Gerd Altmann  from  Pixabay The number of heart disease patients nearly doubled from 270 million in 1990 to 520 million in 2019, and the number of deaths increased from 12.1 million to 18.6 million. Most deaths from heart disease in 2019 were ischemic heart disease and stroke, which increased steadily from 1990. Last year, 9.6 million men and 8.9 million women died of heart disease, and more than 6 million of them were aged 30 to 70. The study was published in the U.S. Journal of Cardiology. Cardiovascular disease, especially ischemic heart...

The number of patients receiving treatment for insomnia continues to increase every year. If you can't fall asleep within 15 minutes in the evening for more than three weeks, you should suspect insomnia. Let's find out various ways to overcome insomnia. Photographs by Cottonbro, originally from Pexels    4 Good Habits to Get rid of Insomnia 1. Get 20 to 30 minutes of sunshine a day Help release melatonin, the sleeping hormone, in the morning. 2. Regular wake-up time Happens on holidays at a fixed time, such as weekdays. Wake up, see the sunlight, 15 hours later, release the sleeping hormone melatonin. You should never set a bedtime routine. You should sleep when your brain is sleepy. Regular sleep time can lead to sleep disturbance. Feel free to sleep and wake up regularly. 3. Take a warm shower 2 hours before bed Lower body temperature by 1 degree and release a lot of melatonin. 4. Bedding Humidity Humidity should be maintained at about 50% with a humidifier to prevent drynes...