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Many people suffer from poor nighttime sleep, usually due to late bedtime, exposure to light blue gadgets, caffeine consumption too late in the day, stress or any another source of potential problems. Chronic sleep problems are a known risk factor for many serious health problems, and a new study sheds light on how these problems can develop: a random night of bad nights sleep.
Researchers at the University of Arizona have been working to help better understand what makes the connection between poor sleep quality and the development of cardiovascular health problems. For their study, the team hired 300 adult participants aged 21 to 70 who had no history of heart disease.
For two days, these participants wore a portable blood pressure monitor, which measured blood pressure randomly every 45 minutes, day and night. During the night, these participants also wore a device that monitored their movements to determine their sleep efficiency.
After badyzing the data, the researchers found that night-time blood pressure was increased in participants whose sleep efficiency was reduced, while the increase in systolic blood pressure persisted overnight. High blood pressure is a well-established risk factor for future cardiovascular health problems.
The study highlights the importance of a restful night's sleep each night. The risks to cardiovascular health may not be limited to chronic sleep deprivation, but also to individual nights when you're standing too late or checking your phone several times during the night.
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