Sometimes there are so many things we have to do and we have little time ... but if you go late to bed and get up early in the morning, you will feel tired all day. How many times have you steal hours of sleep time? Yes, in the beginning it is okay but later, perhaps after a few days, you feel a strange exhaustion. You cannot concentrate, remember things and your skin start appears wrinkled. You do not understand why. Well, regardless of what I always thought, the time spent asleep to time is worth.
Sleeping 2 or 3 hours to come to your senses, it is not enough. The body needs a certain number of hours of sleep a day in order to rest, to recover forces and to carry out various metabolic functions and rejuvenation. Continue reading the article and is to answer the question: how many hours must be asleep?
Why do we sleep?
The transition from the situation awake to sleep is a natural and cyclic process, during which changes hormone secretion with metabolism, cardiovascular function, respiratory and thermoregulatory (body temperature). The sleep is divided into five stages, which may vary during the night.
Stages of sleep
1) Sleepiness or drowsiness
The first stage lasts only a few minutes. It is the stage where you start to sleep and every noise, even a quiet, it can wake you. The body begins to relax and can begin to put small eye movements.
2) Light sleep
This is the strangest stage because someone can speak and respond to you, but the next day they will not remember what happened. The body continues to relax.
3-4) The slow or deep sleep
In steps 3 and 4 have the slow or deep sleep, where muscle tone decreases, the breathing rate lowers, regulate blood pressure and heart beat slowed down.Gastrointestinal movements grow. During this stage of sleep, the secretion of growth hormone increases slightly (especially during puberty) as well as the secretion of gonadotropic hormones (FSH and LH). These hormones are responsible for ovulation and establishment of sperm, respectively. For this it is important not wake up during this step.
5) The REM sleep
This stage is characterized by rapid eye movements and contraction of the muscles in the middle ear. This is the stage where born dreams . There is an intense brain activity, irregular increases cardio-respiratory rate, a small drop in body temperature and an increase in the secretion of prolactin (which affects progesterone), clitoral erection and swelling.
As you can see, each stage of sleep is essential to rest the body and come back after a busy day. The hormones released during sleep significantly affect our overall situation, while the increase of digestive processes It allows the body to absorb nutrients, which will convert into energy.
How many hours should be asleep?
The hours to be asleep vary according to age, but according to several studies, with the exception of infants and young children, people should sleep eight hours daily in order to be fully effective the next day. There are various sleeping disorders, but generally do not pay attention to the lack of sleep to face dire consequences from this. Below we are going to mention some of these effects.
Consequences if we do not get enough sleep:
Exhaustion
Insufficient sleep leads to exhaustion, increases the levels of stress and leads to the accumulation of toxins. Your body will not be able to respond in the way you would like the next day. We feel tired, sluggish and very sleepy.
Disease
Lack of sleep causes metabolic disorders that attack your health. Most worrying of all is that it increases the chances to cause cardiovascular problems, hypertension and diabetes.
Memory and creativity
The few hours of sleep prevent the brain to organize and record the information it receives during the day. Thus altering the memory, lack of concentration, mood changes, bad psychology, irritability, decreased reflexes, behavioral and learning problems, and finally depression . If you rest well, according to experts, will be able to generate new and innovative ideas.
infections
Lack of sleep can suppress the immune system, making you more vulnerable to viruses and bacteria.
Aesthetics
Lack of rest is reflected in your skin, which looks tired and wrinkles because the cells are not refreshed properly.
Look
Should sleep to rest your eyes, otherwise it is red, you will have bags under them and visually impaired.
Breathing
If you do not get enough sleep, it could affect the oxygenation of your cells.
Weight loss
When the body did not rest sufficiently, tends to accumulate fat, particularly in the abdomen. A well rested body is kept in the ideal weight or even helps lost kilos, by affecting appetite and proper absorption of nutrients.
Always take care of yourself
Remember that good sleep, eight hours at least, are multiple beneficial. Not only relax, but also:
Keep energy levels needed to face the day.
It increases the blood flow to the stomach and intestines for proper digestion.
Reduced stress and brain cells are renewed. This makes you feel more alive the next day and able to learn and remember.
Facilitate the elimination of toxic substances.
Activates your immune system and antibody production is enhanced. In short, you get sick less.
Induced the production of germ cells.
Regenerate body tissues, especially those of the skin.
And if you want a long, healthy life, there is nothing better than several hours of sleep each day, exercise and balanced diet. According to experts, this is the secret.
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