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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%.
Sleep loss and decreased quality of sleep is another effect of shift work. To promote a healthy lifestyle, the American Academy of Sleep Medicine recommended that an adult have 7 or more hours of sleep per day. [10] Each year, there are almost 100,000 deaths estimated in the U.S. because of medical errors. [10]
The evidence for harm to people who are deprived of sleep, or work irregular hours, is robust. Research from Europe and the United States on nonstandard work hours and sleep deprivation found that late-hour workers are subject to higher risks of gastrointestinal disorders, cardiovascular disease, breast cancer, miscarriage, preterm birth, and low birth weight of their newborns.
EDS can be a symptom of a number of factors and disorders. Specialists in sleep medicine are trained to diagnose them. Some are: Insufficient quality or quantity of night time sleep [5] Obstructive sleep apnea [6] Misalignments of the body's circadian pacemaker with the environment (e.g., jet lag, shift work, or other circadian rhythm sleep ...
The National Sleep Foundation recommends that adults aim for 7–9 hours of sleep per night, while children and teenagers require even more. For healthy individuals with normal sleep, the appropriate sleep duration for school-aged children is between 9 and 11 hours.
For instance, scores of 11–15 are shown to indicate the possibility of mild to moderate sleep apnea, where a score of 16 and above indicates the possibility of severe sleep apnea or narcolepsy. [3] Certain questions in the scale were shown to be better predictors of specific sleep disorders, though further tests may be required to provide an ...
A predicted 800,000 people could benefit, officials said.
The 8-day week with 21 hours per "day" is a general concept for full week coverage where the 168 hours of the week are grouped differently. It can be used as a base for several shift plans, e.g. three 7-hour shifts per day where every employee works six shifts for a total of 42 hours per week, but to get whole days off groups work alternating ...