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Chronic sleep deprivation (less than 8 hours of sleep) is associated with an increase in body mass index (BMI) and obesity. In a study with 3000 patients, it was found that men and women who sleep less than 5 hours have elevated body mass index (BMI). In another study that followed about 70.000 women for 16 years, there was a significant ...
The Centers for Disease Control and Prevention has noted that adults who sleep less than seven hours per day are more likely to have chronic health conditions, including heart attack, coronary heart disease, and stroke, compared to those with an adequate amount of sleep. [82] In a study that followed over 160,000 healthy, non-obese adults, the ...
From student reports, 70.65% of students are sleep deprived and 50% of college students exhibit daytime sleepiness. Additionally, only 4% of students obtain 7 hours of sleep or more. The average was 5.7 hours of sleep and students on average pull 2.7 "all-nighters" per month.
Sticking to this regular sleep schedule also promotes deeper, more restorative sleep cycles, helping you rest, repair, and recharge. Drazen Zigic/Istockphoto Create a Sleep-Promoting Environment
The report also found key differences for men and women getting enough sleep. While nearly half of men or 48% say they feel they get enough sleep, for women that number was less, with just 36% ...
Severe insomnia – sleeping less than 3.5 hours in women and 4.5 hours in men – is associated with a 15% increase in mortality, while getting 8.5 or more hours of sleep per night was associated with a 15% higher mortality rate. [206]
Winter brings less daylight and colder temperatures, which can disrupt sleep. Seasonal Affective Disorder (SAD) is more common in winter due to the lack of sunlight, causing sleep disturbances.
Sleep efficiency (SE) is the ratio between the time a person spends asleep, and the total time dedicated to sleep (i.e. both sleeping and attempting to fall asleep or fall back asleep). It is given as a percentage. [1] SE of 80% or more is considered normal/healthy with most young healthy adults displaying SE above 90%.
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