Harmful harm to human health


  • 1 body weight
  • 2 mental health
  • 3 physical health
  • 4 The immune system
  • 5 skin
  • 6 Memory
  • 7 References

body weight

Sleeping and lack of sleep affects the body's weight. The human body has two hormones that control feelings of hunger or satiety, which are the hormones of leptin and ghrelin. The levels of these two hormones in the body are affected by sleep and its duration, as staying up and lack of hours of sleep leads to the body secreting the hormone insulin, which works Increase the body's storage of fat, and increase the likelihood of the body developing type 2 diabetes. [1]

Mental health

A person’s sleep leads to a sufficient number of hours to promote mental health. In contrast, sleep and sleep deprivation will negatively affect the mental health of a person. Continuing this situation will lead to long-term mood disorders in humans, which is one of the most important symptoms of depression and anxiety, as some studies conducted on people who suffer from stress indicate that they all sleep for less than six hours. [2]

Physical health

The disturbances of lack of sleep and sleeplessness for long periods expose the person to a set of health risks, the following are the most important of these risks: [3]
  • Heart diseases.
  • Heart attacks
  • Arrhythmia.
  • hypertension.
  • Strokes.
  • Heart failure.
  • Diabetes.

immune system

Leads ensure lack of sleep to the weakening of the immune system in humans; through lack of the body to produce more cytokines ( in English: cytokines), which works to strengthen the immune system, which means that the human body will take a longer time to recover from the infection, and will increase the chances of chronic diseases . [1]


Sleeping and delaying sleep affects the health of human skin. It has been observed that most people have pale skin and swollen eyes after several nights of lack of sleep, and that continuing to stay up late and depriving the body of sleep will affect the health of the skin and work to weaken it and the appearance of wrinkles and fine lines in it In addition to the appearance of dark circles under the eyes, the lack of sleep works to release the body of the stress hormone called cortisol in excess quantities, which can contribute to the breakdown of collagen by the skin, which keeps the skin smooth and flexible. [3]


Sleeping enough hours leads to the enhancement of human memory and its sharp survival, and brain scientists claim that sharp brain waves that integrate memory transfer information gained from the hippocampus to the neocortex in the brain, where long-term memories are stored, and the body often releases These waves at night during the deepest levels of sleep in humans. [3]

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