Why are we sleeping and how are we affected by lack of sleep?

Concentration problems, blood poured eyes and increased risk of many diseases are just some of the consequences of lack of sleep. Just one sleepless night causes fatigue and distraction, and sleep deprivation increases the risk of more serious consequences. Regardless of age and gender, sleep is very important for health and vitality.

Interesting fact: the duration of sleep is constantly decreasing. Back in the 1940s, the average person slept for 8 hours, now this number has decreased to 5-6. Sleep disturbances may be causes:

  • difficult falling asleep;
  • early awakening;
  • waking up while sleeping;
  • poor quality of night rest.

Sleep deprivation is one of the reasons for constant drowsiness, bad mood, problems with functioning during the day.

Why is sleep so important

Why is sleep so important?

For the body to function properly, it needs a sufficient amount of continuous and regular sleep. This is especially important for the healthy functioning of the human brain. Prolonged sleep deprivation impairs the health of the person and does not allow him to focus on everyday tasks and duties.

According to WHO studies, sleep disorders increase the risk of depressive disorders by a factor of 5. Statistics also show that 40% of traffic accidents are caused by sleepy and dispersed drivers, and half of accidents at work are caused by poor concentration of attention. Periodical insomnia usually results from severe stress, anxiety or temporary discomfort in any part of the human body. It is much worse when insomnia has already become a chronic phenomenon.

How much sleep does a person need?

A common knowledge: to maintain health, you need to spend about 8 hours a day in bed. However, certain age groups may differ in the length of sleep. Thus, newborns can sleep for 14-17 hours a day, while the annual sleep is 11-14 hours, school-age children - 9-11, adults - 7-9, and elderly people - 7-8 hours.

It is also necessary to remember that every human body is individual. The obligatory condition for any person is sleep from 6 hours. If you sleep less, the rest will not be enough to maintain normal body functions.

Sleep disturbance - causes and consequences

Sleep disorders can be talked about when the problems with night rest last continuously for 3 months. After this time, sleeplessness begins to quickly affect the quality of life and functioning of the whole body. When the first symptoms, such as fatigue or weakness, it is important to start sleeping properly. The causes of sleep disorders are considered to be:

  • chronic pain in different parts of the body;
  • heart rhythm disorders;
  • depressed state;
  • night apnea;
  • circadian rhythm disorders (for example, change of time zone).

The main symptom of insomnia is the inability to sleep for 3 consecutive hours at night. By the way, a short sleep prevents complete regeneration of the body. There is also a violation of the intestinal flora, there may be diseases of the cardiovascular and circulatory systems, diabetes, start worrying about memory problems.

How much sleep does a person need?

Just one sleepless night can disrupt the work of the human body. Every time a person sleeps an hour or two less than he should, he has a "debt" to his body, which should be returned the next day. In this case, the risk of negative consequences for health is reduced. However, if the lack of sleep lasts too long, fatigue begins to affect the condition and vitality of the person. Therefore, regular continuous sleep is important for the health of the whole body.