Sleep is one of the most fundamental components of a healthy existence. The phenomenon of sleep deprivation, resulting either from lifestyle choices or the undertreatment of sleep related illnesses, could be a factor for a multitude of health disorders prevalent in today’s society (Nature, 2005). It is suggested that people of industrialized countries obtain about 20% less sleep today than they did a century ago. Sleep deprivation has been linked to Type 2 diabetes, obesity, and has also been found to significantly increase the chance of a motor-vehicle accident (Wilson, 2005). In order to address the problem of sleep deprivation, it is imperative that the motivation behind sleep and sleep deprivation is understood. This essay will look at sleep and sleep deprivation through five different perspectives of motivation: evolutionary, psychodynamic, behaviourist, cognitive, and hierarchy of needs. This essay will then argue that by viewing sleep and sleep deprivation from a multitude of perspectives, a holistic understanding of the phenomena might be achieve.…