This essay will examine the motivation for sleep and sleep deprivation, from 5 psychology perspectives: evolutionary, psychodynamic, behaviourist, cognitive and hierarchy of needs. A generally held belief that “successful people” require less sleep can lead to serious ramifications (“Nature”, 2005).
Restoration theory. Oswald (1966) suggested that sleep restores depleted resources of energy, removes waste from muscles and repairs cells. For example during the day waste chemicals build up in the muscles following physical exertion and neurotransmitters used for communication throughout the nervous system are likely to be used up.
Why did the process of sleep evolve in many animals? What is its evolutionary advantage? Ask Question Asked 8 years,. One of the research papers they mentioned. (which may lend some support to the theory as NREM sleep accounts for 80% of sleep and is most physiologically different to waking), this glycogen is most efficiently replaced.
Evolutionary theory states that as individuals in a population move through regiosn, and. time, characteristics change from one generation to the next. The three tenets of. evolutionary theory are genetic variation happens, variation leads to a variable fitness and. natural selection leads to adapt.