Question 1
Researchers have suggested that people can be divided into chronotypes. A chronotype identifies an individual as a(n)
◦ light sleeper or a deep sleeper.
◦ morning type or an evening type.
◦ thin body type or a heavy body type.
◦ extraverted person or an introverted person.
Question 2
Researchers who have looked at changes with age in total amounts of daily REM sleep and NREM sleep have found that
◦ the amount of REM sleep increases considerably over the years.
◦ NREM diminishes more sharply than REM sleep over the years.
◦ the amount of REM sleep decreases considerably over the years.
◦ REM sleep remains fairly constant over the years, but NREM increases slightly.
Total hip prosthesis.
Melatonin and sleep
Orexin and the Sleep–Waking Cycle
Sleep and Depression
Total Solid Waste, MSW per Capita
Daily Essential Nutrients