What happens to our bodies when we sleep less than 8 hours a day?

What happens to our bodies when we sleep less than 8 hours a day?

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What happens to our bodies when we sleep less than 8 hours a day?
Did you know that lack of sleep negatively affects the condition of our skin?Healthy sleep promotes cell regeneration and stimulates the production of hormones that make our skin becomes supple and smooth.
Do you have difficulty sleeping? You sleep less than 8 hours a day? If you answered yes to these questions, be careful. Lack of sleep puts our health at risk. Sleep problems sooner or later affect our health.

Since ancient times people were aware of the fact that the duration and quality of sleep are inextricably linked with the state of our health. After all, during the night the body is a series of important processes necessary for human life.

Sleep disturbances threaten unpleasant consequences for both physical and emotional health of a person. With regard to the former, they are usually felt immediately. The latter also appear over time, and without proper control can pose a serious danger.

Calm and uninterrupted sleep stabilizes our emotional state, and a beneficial effect on our physical health. It is safe to say that lack of sleep causes a significant decline in the quality of human life.  What it threatens your health poor and insufficient sleep?

Increased blood pressure

The pressure and lack of sleep

When we do not sleep, sleep too little or hardly fall asleep, there are problems with blood pressure .

The man who sleeps at least 8 hours a day, systolic blood pressure can go up to 132 (it is recommended that this figure does not exceed 120).

Disorders of the pancreas work

Lack of sleep and rest will inevitably impact on the work of the pancreas, namely, leads to impaired glucose conversion process . Because of this, a person raises blood sugar levels, increased risk of type 2 diabetes and obesity.

The emergence of hunger

Lack of sleep is associated with weight gain. This is because when we sleep little, in our body decreases production of leptin – a hormone that is responsible for the loss of appetite. At the same time, on the contrary, our body produces more ghrelin, which stimulates appetite .

Therefore, we can safely say that sleep deficit increases the risk of overweight . When we sleep badly, we often feel hungry and eat more foods rich in carbohydrates. As you know, they are very high in calories.

In this case, hunger becomes our constant companion, and its cause lies in the sleep deficit.

Lower power consumption

Poor sleep greatly affects the physical activity. When we sleep a little, it becomes more difficult to lead an active life. Because of this, we spend less energy and begin to gain weight.

If the decline in physical activity is accompanied by an increase in appetite and cravings for harmful food, the risk of obesity increased significantly.

The impact of sleep on the brain

The brain and the lack of sleep

It is the human brain work primarily affects the lack of sleep .

The consequences of this negative impact can be seen immediately: after a difficult night it becomes difficult to focus on the work performed, intellectual activity we are given with great difficulty.

But the influence of sleep deficiency on brain work does not end there. Over time, this breaks down the process of cleansing the body from the proteins that form the protein plaques. In the future, it can threaten the development of dementia or Alzheimer’s disease .


Lack of sleep causes physical exhaustion, which is why our immune system weakens. In the immune system to produce antibodies is reduced, necessary to fight various infections and diseases. Because of this, our body becomes more vulnerable.


Sleep disorders instantly affect our mood . We become irritable and begin to experience stress, tension and depression.

After a difficult night of sleep or too short in the body increases production of cortisol. It is this hormone increases the risk of stress .


When we sleep less than 8 hours per day, we are more likely to suffer from severe muscle and headaches during the day.


Premature aging and lack of sleep

Insomnia, smoking, and exposure to sunlight are the main causes of premature skin aging.

This is because it is during sleep our body increases the production of hormones that allow to keep the skin smooth and prevent the appearance of wrinkles.

Do not forget that a good rest helps cell regeneration and protects them from the negative effects of free radicals.

The weakening of the muscles

Spend hours in the gym to have a strong and developed muscles? It will not bring any result, if you’re a little sleep.

During sleep, our body produced a variety of hormones that are involved in key processes of our body’s vital functions. Hormones are responsible for the growth and development of muscle tissue are also among them. Therefore, people who sleep little, it is difficult to achieve strong muscles . Their muscles get tired faster.