Paper
Good Sleep as an Important Pillar for a Healthy Life
Published Jan 1, 2021 · F. Moosavi-Movahedi, R. Yousefi
University of Tehran Science and Humanities Series
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Abstract
Good quality sleep, which is important for health, is influenced by various chemical compounds such as melatonin and adenosine produced and released in the body in a 24-h cycle. The production of melatonin, which is made of tryptophan in the pineal gland, increases in the evening with the onset of darkness, which tells us that it is time to go to bed. Unlike melatonin, adenosine is produced during the day, and with the beginning of darkness, its amount in the body reaches its maximum, playing an essential role in sleep-inducing sleep. The secretion of chemical sleep stimulants, especially melatonin, is also affected by hormones such as norepinephrine and cortisol. These two hormones, which also play a role in restlessness, anxiety and stress, suppressing production of melatonin in the body and deprive a person of good quality sleep. The secretion of hormones such as prolactin and growth hormone is also dependent on sleep. Sleeping slows down the body activities and reduces body temperature, heart rate, respiration rate and energy expenditure. Sleep also plays an important role in stabilizing and improving memory, effective productivity and high concentration levels, maintaining hormonal balance, regulating temperature and heart rate, removing metabolic wastes from the brain, strengthening the immune system, healing wounds and reducing inflammation. Adequate sleep has been also reported to enhance athlete performance and lowers blood pressure, allowing the heart and blood vessels to rest.
Good sleep is crucial for maintaining health, improving memory, productivity, concentration levels, and regulating body activities.
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