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.
Sleep requirements decline from infancy to early adulthood, level off, then decline again in old age. Stage 4 sleep increases in old age. Ten-year-olds are in REM sleep about 1.5-2 hours per night. Stage 4 sleep increases in old age.