Here are the reasons why sleep is necessary before exams

A good night's sleep not only the day before the exam but also 1 month prior to the exam is essential. Representational image: Shyamalamuralinath / Shutterstock

New Delhi: From class 8 to graduation, there is a period of acute or chronic stress on students due to the number of exams which have to be appeared for. Some students get extremely stressed and some are able to cope well, remain healthy and perform confidently in their academics and career. So what is it that actually helps the student to reach that potential?

One of the most important factors is sleep. Most of us do not count sleep as part of our health. In fact, it comes way down in the list of priorities. Most students pride themselves for not sleeping during the exams and for burning the midnight oil. A large chunk of this has been created by a false belief system stating that the student must revise the exam portion the previous day or maybe the student is not prepared and is trying to retain last-minute preparations. For whatever may be reason, a good night's sleep not only the day before the exam but also 1 month prior to exam is essential.

Why is sleep necessary:

» Duration of sleep depends on the age of the individual with younger children requiring more sleep, but on average a good eight-nine hour of restful sleep is required for optimal functioning of the body

» Good sleep stabilises the hormones of the body namely blood sugar level, insulin level, cholesterol, leptin, ghrelin and cortisol levels of the body. These hormones are essential for proper functioning of the body

» Lack of sleep suppresses the leptin or the satiety hormone and activates ghrelin (hunger hormone). As a result of this, the individual develops excessive hunger and cravings and has more of sweet and salty food leading to weight gain.

» When blood sugar levels are not maintained and insulin level rises, there is an increased incidence of developing prediabetes or diabetes at an early age, many of which may be missed.

» Lack of sleep increases cortisol levels which causes inflammation in the body leading to repeated infections and decreased immunity. Appearing for exams in a sick state decreases performance and needs to be avoided

» Increased cortisol level also interferes with cognition and memory leading to poor recall, confusion, and forgetfulness. All of this together creates anxiety, nervousness and stress creating a situation of fear in the mind of the student.

Hence, sleep is a very important component of health. Good sleep is the time when the cellular regeneration of the body takes place helping all the organs and systems of the body to work in unison and in the best possible manner. This creates a healthy body with a safe mental environment which is critical for growth, development, and meeting all challenges of life including exams.

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