6 reasons why sleep is necessary for students before exams

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Exam times have always been stressful for many. Right from standard 8th to the completion of graduation, most of the students experience acute chronic stress due to the number of exams which have to be given. While some students get extremely stressed, some are able to cope well, remain healthy and perform well 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 the reason, a good night sleep not only the day before the exam but also 1 month prior to exam is essential. Dr. Paula Goel, Consultant Pediatrician, Adolescent Physician shares the importance of sleep:

Why is sleep necessary:

1. Duration of sleep depends on the age of the individual with younger children requiring more sleep, but on average a good eight-nine hours of restful sleep is required for optimal functioning of the body.
2. 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 the proper functioning of the body.
3. Lack of sleep suppresses the leptin or the satiety hormone and activates ghrelin (hunger hormone). As a result of which, the individual develops excessive hunger and cravings and has more of sweet and salty food leading to weight gain.
4. 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.
5. 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.
6. 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 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 safe mental environment which is critical for growth, development and meeting all challenges of life including exams.

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