Sleep Science
You want to sleep? Then read this article. Really. Leave your phone aside. We're going to tell you what a healthy night's sleep is like. How the blue light keeps you from sleeping ...
Almost every night in our lives we have an extraordinary metamorphosis.
Our brain is radically changing the way we behave and its purpose, and it diminishes our consciousness. We're almost completely paralyzing for a while. We can't even shake. However, our eyes ard behind our closed eyelids periy periodically shift to the left and right as if they were seeing around, and the tiny muscles in our joint act as if they were hearing even when there was no sound. We are all sexually stimulated without saying men or women. Sometimes we believe we can fly. We are approaching the limits of death. We're sleeping.
Aristotle, who wrote an article on “Sleep and Insomnia 350 around 350 BC, wondered what sleep was and why. For the next 2 300 years, no one could answer this question properly. When German psychiatrist Hans Berger invented an electroencephalograph that recorded the electrical activity of the brain in 1924, sleep research shifted from philosophy to science. And only in the last 20–30 years have we come closer to responses that can satisfy Aristotle, with imaging tools allowing us to look into the depths of the brain.
All the information we get about sleep underlines how important it is for our mental and physical health. Sleeping ümüz our waking pattern is a fundamental feature in human biology; a way to adapt to life on our planet, which rotates in an endless day and night wheel. The 2017 Nobel Prize in Medicine was awarded to three scientists in the 1980s and 90s who identified the molecular clock in our cells that aimed to keep us in sync with the sun. Recent research shows that when this circadian rhythm deteriorates, we are at increased risk of developing diseases such as diabetes, heart and dementia.
Sleep is seen as something that disrupts life, but the real problem is not sleep, but chronic insomnia. In Japan, 40 percent of the population sleep less than six hours at night. Sleeping in public spaces, as in this restaurant, open until the morning in Tokyo, is socially acceptable.
However, the imbalance between the lifestyle and the solar cycle has become epidemic. Iz We seem to have been tested worldwide for the negative consequences of inadequate sleep, Robert says Robert Stickgold, director of the Sleep and Cognition Center at Harvard Medical School. For example, today's average American night's sleep, which does not reach 7 hours, is two hours shorter than a hundred years ago. The reason is the widespread use of electricity and television, computers and smart phones. In the abundant light-filled society we live in, we often regard sleep as an enemy, perceiving us as a situation that prevents us from productivity and entertainment. Thomas Edison, the inventor of the bulb, said, “Sleeping is a nonsense, a bad habit.. Edison believed that we would one day live without sleep.
An uninterrupted night's sleep is now seen as rare and old-fashioned as a hand-written letter. Apparently, we're all going easy, fighting insomnia with sleeping pills. We drink coffee to get out of yawn, and we ignore the complex journey that we take shape every evening. On the nights that we have a good night's sleep, we go through the various stages of sleep four to five times, each with different characteristics and goals, and we go on the winding surreal paths of an alternative world.
STAGES 1 AND 2: As we fall asleep, our brain continues to function and enters the regulatory process; decides what to keep in memory and what to throw.
The first transformation is fast. The human body does not like to pause between stages and wait in doorways. We prefer to be in one or the other worlds, be awake or sleepy. So we turn off the light, lie on the bed and close our eyes. If our circadian rhythm is connected to the cycle of daylight and darkness, the pineal gland at the base of the brain pumping melatonin and signaling that it is night, and our neurons fall asleep immediately.
These 86 billion neurons (what we can call the brain's internet) communicate with each other through electrical and chemical signals. When we're awake, neurons reveal a crowd, cellular downpour within the thrust. Their equal and rhythmic work, as seen in the electroencephalogram (EEG), shows that the brain is moving away from the chaos of the waking world and turning inward. At the same time, our sensory receptors are stagnating and we fall asleep in a short time.
This process, which scientists call stage 1, is the shallow end of sleep. It takes about five minutes. Then the electric sparks coming from the depths of the brain flock to the cerebral cortex, the curved gray matter covering the outer layer that houses the tongue and consciousness. These half-second explosions, called spindles, show that we are moving to phase 2.
Our brain is not less active when we sleep, as thought for many years, but only in a different way. The theory is that the spindles stimulate the cortex to preserve the most recent information, and in the meantime possibly associate it with the information built into long-term memory. In sleep laboratories, the frequency of spindles increases in the same night in people given new mental and physical tasks. The more spindles they emerge, the better they perform when performing the task assigned to them the next day.
Magnus Wennman
In Philharmonie de Paris, composer Max Richter directs the concert of the minimally scientific Sleep, which aims to guide audiences for a renewed recreation. The show takes eight hours.
Magnus Wennman
Francis Ajua, 10, waits for ini lights to go out sırasında during a night's sleep research conducted by the National Child Health System in the capital, Washington. He'il be tested for sleep apnea.
Magnus Wennman
At the Children's Sleep Clinic in Washington, eight-year-old Michael Bosak sleeps in a position that prevents narrowing of his upper airways - a cause of snoring. (The child was filmed in the dark with an infrared camera to avoid disturbance.) Sleep is very important in order to be healthy and develop properly during childhood, when the growth hormone and the proteins that fight infections are most secreted. Inadequate sleep in children is thought to lead to diabetes, obesity and learning disabilities.
Magnus Wennman
New information is reinforced during sleep. So what's going on in the brain? At Tsukuba University near Tokyo, Takeshi Sakurai is trying to find the answer to this question with optogenetics. In this study, some brain cells of mice that are sensitized to laser beams by genetic intervention are turned on and off by a laser.
Magnus Wennman
What brings us to sleep? The airtight chamber at the Tsukuba Sleep Institute allows researchers to accurately determine the oxygen consumption and thus the metabolic rate of a sleeping person. It also measures how they are influenced by the power and color of ambient light. Detecting conditions that trigger sleep may be the first step in finding a cure for insomnia.
Magnus Wennman
The fight for sleep began when bulbs made it easier to destroy the darkness of the night. Large cities such as Tokyo are now often illuminated by LED lamps. They save energy, but on the other hand, they produce plenty of blue light, which is the most disturbing sleep.
Magnus Wennman
Mike Morris, a retired soldier serving twice in Iraq, sleeps with his therapy dog Olive and an EEG cap. He is one of the participants of the research conducted by Jeffrey Ellenbogen of Johns Hopkins University in order to investigate the effect of sleeping together and the sounds that are exposed during sleep.
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