As one of the routines in our daily life, sleep has become a regular thing we do. At night, the sleep hormone melatonin produced a marker that the body needs rest to sleep. You go to bed, lay down and unknowingly you have been asleep. The next day, when awake you may not remember exactly how long you have been asleep. You may still remember the beautiful dream last night. Have you ever wondered what really happens when we sleep?
Quiet sleep or non-REM
During the sleep cycle we will have two kinds of state of quiet sleep is the sleep state and active sleep state. Quiet sleep commonly known as Non-NREM sleep or REM (Rapid Eye Movement or No No Fast Eye Movement).
When quiet sleep or NREM or Non-REM sleep, a person's body will experience a quiet activity. Pulse, respiration and blood pressure of the body will move more quietly and orderly. This is a process in which the body restores the body. The muscles, glands of the body and improved body composition. Substances that are not useful will be removed from the body. During quiet sleep also occur merger proteins that will be used during active sleep.
In the state of quiet sleep or NREM or Non-REM sleep, a person will experience 4 stages. Here are the stages that occur when you start to fall asleep.
* Lightweight Sleep When I first started to fall asleep someone, you first entered the stage where you have mild sleep or sleep shallow, in which the muscle will relax your body and brain waves will move irregularly. At this stage usually begins when you are sleepy and fell asleep. The first stage lasts for 30 seconds to 7 minutes of your sleep.
* Sleep Actually Next, you will enter the second stage of sleep is actually, in which the enlarged brain waves, fragments of thoughts and images might be popping up and moving in our minds but we do not realize it, even you are not aware of the circumstances around you . The second phase lasts for 20 percent of the entire time you sleep.
* Sleep Asleep third phase of your sleep more soundly. At this stage, your body is getting hard to be awakened because it was asleep.
* Sleep Terpulas The fourth stage is the stage of sleep most soundly. At this stage, the brain produces a large wave, most of the blood flow to the muscles, there was recovery and repair body functions. Growth hormone is produced and a process of growth takes place at this stage. The third and fourth stage lasts for 50 percent of all our bedtime.
If when asleep, we can not enter the third stage and fourth, then most likely when we'll wake up feeling tired even depression.
Finish entering the fourth stage, you will experience the first stage again, entering the second stage and so on. This cycle will repeat several times. In general, repetition of this cycle lasts for 3 to 5 times. The duration of a time cycle takes about 90 to 110 minutes.
Any Active or REM sleep cycle of NREM sleep in peace or be terminated with active sleep or REM (Rapid Eye Movement or Rapid Eye Movement). The opposite of quiet sleep, pulse, respiration,
blood pressure and other events take place with more active, rapid and irregular. Blood flow to the brain and brain waves. You can see someone experiencing a period of time when she saw the bulge eyes move left and right because it is in REM sleep, the eyes move quickly from left to right.
At the time of active or REM sleep that a person has a dream that most will not remember when waking from sleep. You also run into immobility ie can not move your muscles. This is useful so you do not move according to your dreams so that harm you. Usually someone is having a dream about once every 90 minutes in a sleep cycle.
Active sleep period lasted for 25 percent of our total sleep period. At the time of active or REM sleep, the body restore certain functions of the brain and improves mental. At this time the mind will pick, process, organize, remove things that are not important and retain experienced the previous day as when a person recording the film and will prepare the brain and the mind to accept new information the next day. When active sleep, the brain will erase short term memory or data is not important and maintaining long-term memory. This is what makes after sleeping, the mind feels fresh because the brain more memory available for use again.
In addition, as long as you fall asleep, the body produces T cells that will fight pathogens or germs. And when asleep, the body also produces the hormone leptin to regulate appetite.
For your body to feel the benefits of good sleep, a person must experience all of the sleep process and within a reasonable time. If we are sleep deprived, it would be difficult to concentrate, memory loss, and vocabulary, decreased ability to think analytically, and loss of creativity. Even the lack of sleep can increase anxiety and depression. Thus, work that you get enough sleep every day and feel the benefits.