더보기-좋은수면이란? ENG

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About Healthy Sleep

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About Sleep and Naps
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About Healthy Sleep

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Did you know that one of the causes of NASA’s Challenger accident was lack of sleep by managers?

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Lack of sleep can lead to serious accidents, and sleep is an important factor that cannot be replaced by anything else.

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In fact, the results of the experiment to see the effect of less sleep on daily life are as follows. Until the day 3, there was no physical change other than feeling tired. However, from day 4 onwards, the subjects became confused about who they were and started to get angry. On the 6th day, the muscles stiffened and short-term memory loss occurred, and after the 10th day, the experiment ended when it went to the stage where it was unable to speak and communicate.

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Some people may think, “Even after death, I sleep for the rest of my life, but I should cut down on sleep.”

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Sleep is not a time to throw away, but it is an essential time for humans as important processes for learning, memory, and creativity occur while recovering immunity and organizing unnecessary thoughts.

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The Beatles’ ‘Yesterday’ and the ‘sewing machine’, which are essential for making clothes, all started with ideas from dreams while sleeping.

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Why is the recommended sleep time between 6 and 7 hours and 30 minutes?

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The life expectancy study results of short-time sleepers (5 hours or less) and long-time sleepers (10 hours or more) of 1 million people are as follows. Short-time sleepers and long-time sleepers had a higher mortality rate than those who slept 6 to 7.5 hours.

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Most people need 6 to 7.5 hours of sleep to replenish their energy for the next day.

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What if I sleep late and sleep less?

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The habit of going to bed late and lack of sleep can cause obesity, which is scientifically based. There is an organ in the brain called the ‘satiety center’ that sends signals to feel when appetite or thirst is sufficiently satisfied. Lack of sleep reduces the amount of ‘leptin’ (appetite-controlling hormone) that reaches ‘satiety center’, and increases ghrelin (appetite-stimulating hormone), which leads to weight gain.

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As mentioned earlier, various hormones and body changes occur during sleep, so if you improve your sleeping habits, you can expect many good changes such as weight control and body regeneration.

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‘Zalza’ provides content that synthesizes brain waves, noise, and music, and is based on the scientific theory of sleep cycle and sleep time. 

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We hope you will be healthy through ‘Zalza’!

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About good nap

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How to nap effectively

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Recommandations for your effectively nap

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1. Relax with progressive muscle relaxation (PMR)

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It is a world-recognized relaxation therapy, and it is a relaxation therapy created by Dr. Jacobson in the United States in 1938.

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If you repeat muscle tension / relaxation, you can feel comfortable as your body is relaxed.

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Relax all the muscles in your body before napping!

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(Head > Neck > Shoulders > Arms > Chest > Abdomen > Hips > Feet > Toes > Relax one more time in reverse order)

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2. Coffee Nap

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Coffee is an essential beverage for office workers, and there is a way to efficiently utilize the caffeine in coffee.

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If you drink coffee right before your nap and get less than 30 minutes of sleep, you’ll feel much more refreshed. Caffeine in coffee takes about 20 minutes to take effect in the body. If you take a nap after drinking it, fatigue substances such as adenosine disappear during the sleep process, and the awakening effect of caffeine appears immediately after 20 minutes, so you can concentrate on your work!

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However, it is not recommended for people with weak stomachs or frequent reflux esophagitis due to the ingredient that promotes gastric acid secretion in coffee.

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If you are having trouble with lack of sleep, listen to the night music of ‘Zalza’!

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더보기-좋은수면이란? ENG

About Healthy Sleep

About Sleep and Naps

About Healthy Sleep

Did you know that one of the causes of NASA’s Challenger accident was lack of sleep by managers?

Lack of sleep can lead to serious accidents, and sleep is an important factor that cannot be replaced by anything else.

In fact, the results of the experiment to see the effect of less sleep on daily life are as follows. Until the day 3, there was no physical change other than feeling tired. However, from day 4 onwards, the subjects became confused about who they were and started to get angry. On the 6th day, the muscles stiffened and short-term memory loss occurred, and after the 10th day, the experiment ended when it went to the stage where it was unable to speak and communicate.

Some people may think, “Even after death, I sleep for the rest of my life, but I should cut down on sleep.”

Sleep is not a time to throw away, but it is an essential time for humans as important processes for learning, memory, and creativity occur while recovering immunity and organizing unnecessary thoughts.

The Beatles’ ‘Yesterday’ and the ‘sewing machine’, which are essential for making clothes, all started with ideas from dreams while sleeping.

Why is the recommended sleep time between 6 and 7 hours and 30 minutes?

The life expectancy study results of short-time sleepers (5 hours or less) and long-time sleepers (10 hours or more) of 1 million people are as follows. Short-time sleepers and long-time sleepers had a higher mortality rate than those who slept 6 to 7.5 hours.

Most people need 6 to 7.5 hours of sleep to replenish their energy for the next day.

What if I sleep late and sleep less?

The habit of going to bed late and lack of sleep can cause obesity, which is scientifically based. There is an organ in the brain called the ‘satiety center’ that sends signals to feel when appetite or thirst is sufficiently satisfied. Lack of sleep reduces the amount of ‘leptin’ (appetite-controlling hormone) that reaches ‘satiety center’, and increases ghrelin (appetite-stimulating hormone), which leads to weight gain.

As mentioned earlier, various hormones and body changes occur during sleep, so if you improve your sleeping habits, you can expect many good changes such as weight control and body regeneration.

‘Zalza’ provides content that synthesizes brain waves, noise, and music, and is based on the scientific theory of sleep cycle and sleep time. 

We hope you will be healthy through ‘Zalza’!

About good nap

How to nap effectively

Recommandations for your effectively nap

1. Relax with progressive muscle relaxation (PMR)

It is a world-recognized relaxation therapy, and it is a relaxation therapy created by Dr. Jacobson in the United States in 1938.

If you repeat muscle tension / relaxation, you can feel comfortable as your body is relaxed.

Relax all the muscles in your body before napping!

(Head > Neck > Shoulders > Arms > Chest > Abdomen > Hips > Feet > Toes > Relax one more time in reverse order)

2. Coffee Nap

Coffee is an essential beverage for office workers, and there is a way to efficiently utilize the caffeine in coffee.

If you drink coffee right before your nap and get less than 30 minutes of sleep, you’ll feel much more refreshed. Caffeine in coffee takes about 20 minutes to take effect in the body. If you take a nap after drinking it, fatigue substances such as adenosine disappear during the sleep process, and the awakening effect of caffeine appears immediately after 20 minutes, so you can concentrate on your work!

However, it is not recommended for people with weak stomachs or frequent reflux esophagitis due to the ingredient that promotes gastric acid secretion in coffee.

If you are having trouble with lack of sleep, listen to the night music of ‘Zalza’!