Sleep is a common experience by humans. Humans spend one-third of their lives just sleeping. It can be defined as a regular, recurrent, easily reversible state of humans, characterized by relative rest and by a great increase in the threshold of response of external stimuli. It affects a person’s wellbeing and quality of life (Leahy and Kizilay, 1998). It is essential for our health and well-being and an important health concern that is crucial to proper brain function and just as significant as our nourishment and exercise. It is a basic human need, like eating, drinking, and breathing. Although sleep is crucial to good health, many people do not get enough quality sleep because of by either a sleep disorder or by deliberate choice. Unfortunately, more and more people deliberately cut back their sleep due to the demands of their workload without being fully aware of the impending effects of lack of sleep to their health and daily performance.
Sleep deprivation is the condition where an individual fails to get enough sleep. Its effects are widespread and may be affecting our body and mind more than we think. We may think at first that a sleep problem is the result of a psychological disorder. However, the relationship between sleep disturbances and mental health is more complex (Durand, 1998). Sleeping only 5-6 hours per night can already amount to being sleep deprived and can lead to impaired functioning (Weinger, 2002). On the other hand, Hibbs (2006) also emphasizes that a small percentage of people live long, healthy lives on four hours of sleep per night; just as some people thrive on ten.
According to Leahy and Kizilay (1998), sleep deprivation is a common problem for an individual. Such problem occurs when an individual is in unfamiliar surroundings. The disruption of normal sleep-wake cycle is because of overstimulation and disruption of the normal sleep routines. It has a profound physiological and psychological...