Although the Equal Protection Clause does not offer protection against discriminatory laws promulgated by the president, Congress, or federal administrative agencies, the Supreme Court has interpreted the due process clause of the Fifth Amendment to provide such protection (Bolling v.
Teenagers (14 to 17 years): 8 to 10 hours of sleep. Young adults (18 to 25 years): 7 to 9 hours of sleep. Adults (26 to 64 years): 7 to 9 hours of sleep. Older adults (65 years or older): 7 to 8 hours of sleep. Although most men and women need about seven to eight hours of sleep per night, their sleep patterns are generally different.
In adults, total sleep time, sleep efficiency, percentage of slow-wave sleep, and percentage of REM sleep significantly decrease with age, while light sleep and wake after sleep onset increased with age. The decline in deep sleep begins around age 36-50. However, it is important to note that these changes are less prominent among women and in the healthiest older adults. In summary, sleep duration as well as structure changes with age and reflects alterations in physiology and health.