Why is sleep important?

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To them, sleep is a luxury, while to others, it is something taken for granted or abused. Sleeping is a basic human need, like eating, drinking, and breathing. You'll remember better, function better and your overall state of health can be better.

During the continuous sleep cycles throughout the night, we should spend about half of our sleep time in Stage N2. Young children tend to sleep more in the early evening. However, research shows that getting enough quality sleep at the right times is vital for mental health, physical health, quality of life, and safety. Contact your physician or health care provider when you have health related questions.

Why sleep is important and what happens when you don't get enough

Due to the increasing busyness of our lives and the desire to accomplish many things in one day, nightly sleep has decreased on average by roughly 1. This may not seem significant, but those hours could be very beneficial to people who are increasingly suffering from sleep deprivation. In fact, many people don't realize that they would feel and function so much better if they increased their sleep by an hour or two every night. Sleep is defined as a process where the eyes close, the nervous system becomes relatively inactive, breathing becomes slower, muscles relax, and the brain enters an altered state of consciousness. It just so happens that while all of these things are occurring, our bodies are rejuvenating, growing, and repairing. Quantity of Sleep Andy, a husband and father of two children, was what is the importance of sleep partner at the Smith, Bell and Green law firm. He was also training for a marathon in the mornings. Andy never seemed to have enough time in his day to be a great husband, father, lawyer, and athlete. He decided to shave off two hours of his sleep each night to make enough time for everything. After a couple weeks on his new schedule, Andy started to feel depressed and de-energized. He was short tempered with his wife and kids and felt he couldn't focus properly at work. So how much sleep do we really need. The magical number for hours of sleep required by an adult what is the importance of sleep remained at 8. But where did the 8 hour requirement come from. Research has shown that adults need about 7-9 hours of sleep, so 8 falls right in the middle of that range. Whether or not you are someone who only needs 7 hours per night depends a lot on hereditary and genetic factors. So why should you spend 7-9 hours of your days asleep. You'll soon discover that sleep is tremendously important. Risks of Sleep Deprivation The benefits of getting enough sleep are countless. People tend to skimp on sleep because they are stressed and having issues with insomniaare busy, or have bad habits that take time away from sleep, such as watching television late at night. Here are risks and consequences that have been linked to sleep deprivation: Many of the benefits of getting enough quality sleep are the opposite of the risks. Let's learn about some of the advantages of sleep. Benefits of Sleep The benefits of sleep can make a world of difference in the way you think, learn, and feel on a daily basis. Studies have shown that at the onset of deep sleep, a plasma growth hormone peaks in secretion level for about 1. For instance, Luke, age 17, knows that he needs to not only spend a lot of time in the weight room to obtain muscle, but also get a good night's sleep so the muscles really have the opportunity to grow. Lack of sleep increases ghrelin, an enzyme that stimulates appetite, and decreases leptin, a protein that regulates fat storage in your body. Lack of sleep can enable weight gain and lead to obesity. He was studying for a major exam for 5 days straight and was sleep deprived. He found himself craving fatty carbohydrates like chips and french fries. He overate and felt very lethargic. During sleep, there is a period when your blood what is the importance of sleep dips pretty low. If you are not getting enough sleep, you may be skimping on this crucial period where your heart gets to rest a bit from a long day. Shortened sleep has been linked to high blood pressure and coronary heart disease. Luke knows that keeping his heart young includes exercise, eating healthily, and sleeping well every night. These cells help repair the brain when it is injured. More specifically, these cells produce myelin, which coats the wiring that connects neurons, making the messages sent from neuron to neuron travel faster. Luke got a good night's sleep last night, so he is able to respond promptly to his teacher's questions in class the next day. When you sleep, your brain is able to merge dendrites between cells, making it easier for information to pass from one cell to another. This also helps to preserve information into the short or long-term memory. Luke studied last night shortly before bed and then got a good night's sleep. His brain was able to retain the information in his memory for his test the next day. People who don't sleep enough find that they are more irritable, short-tempered, angry, stressed, and sad. Luke was very stressed during his final exam week and often lay awake, aroused in constant thought. He lost several hours of sleep and felt irritable, moody, and a bit stressed during much of that week. Lack of sleep has been linked to dysfunctions in the amygdala, the area in your brain that regulates emotions like stress and anger. It also plays a role in survival instincts and memory. Luke only got 6 hours of sleep one night and snapped at his mother at breakfast. Then he overreacted when he missed his bus. He felt a certain lack of control of his emotions that morning. Lesson Summary It is clear why sleep is so important. Sleep is the time when the eyes close, breathing becomes slower, the heart is able to rest, blood pressure lowers, muscles relax, and the brain enters a state of altered consciousness. People should get 7-9 hours of sleep a night. Risks of not getting enough sleep include depression, heightened stress, high blood pressure, diabetes, inability to make decisions, and slower reaction time. Benefits of getting adequate sleep include increases in mood, emotion regulation, body and muscle growth, increased memory and information retention, better heart health, and a healthy body weight.

If cortisol levels are normal during sleep, then true rest and recovery takes place thereby enhancing physical repair and immunity. Insomnia tends to increase with age and affects about 40 percent of women and 30 percent of men. Also, an estimated 50 to 70 million Americans have chronic ongoing sleep disorders. A common myth is that people can learn to get by on little sleep with no negative effects. Sleep helps your immune system stay strong.