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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%.
A 2004 editorial in the journal Sleep stated that, according to the available data, the average number of hours of sleep in a 24-hour period has not changed significantly in recent decades among adults. Furthermore, the editorial suggests that there is a range of normal sleep time required by healthy adults, and many indicators used to suggest ...
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.
"As a general rule of thumb, women can aim to get around 7.5 hours of sleep per night." Studies show that women tend to sleep up to 20 minutes more than men per day.
No, four hours of sleep is not enough for the average person. The minimum amount of sleep recommended for adults by the American Academy of Sleep Medicine is seven hours.
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Insufficient Sleep: Percentage of adults who report sleeping fewer than seven hours in a 24-hour period, on average. Data from CDC's BRFSS. [10] Teen Birth rate: Number of births per 1,000 females aged 15 to 19 years. Data from CDC National Vital Statistics System. [11]
Why are Millennials more successful than older people? It starts with how much sleep they get. Here's 6 reasons why they thrive professionally.