A new health management service that visualizes sleep
A new health management service that visualizes sleep
Changes in average sleep duration and sleep debt in Japan
Since its establishment in 2019, Brain Sleep has been tracking changes in the average sleep time in Japan for three years. During that period, it was found that not only has Japan's sleep time continued to increase, but sleep debt has also shown a tendency to improve. However, the average sleep time in OECD member countries is 8 hours and 25 minutes, and Japan's sleep is still at the lowest level in the world, so there is room for improvement. Brain Sleep would like to continue its activities to improve sleep in Japan.
Survey results
Average sleep time
Increased for the second consecutive year, sleep debt also showing signs of improvement
* A t-test was conducted to compare sleep duration. Comparisons between 2020 and 2021 and between 2021 and 2022 were confirmed to be significant at p<0.01. A chi-square test was conducted to compare the frequency of occurrence of sleep debt, and a significant difference was confirmed at p<0.01.
Changes in awareness of sleep due to the spread of COVID-19
Continuing from last year, the spread of the COVID-19 virus has brought about major changes to people's lives. This year in particular, new lifestyles have begun to take hold, and people have become more conscious of disease prevention and health. Sleep also plays a very important role in maintaining health. In this environment, people's attitudes towards sleep have also changed.
Survey results
The spread of the new coronavirus has led to increased awareness of sleep.
Sleep tendencies also vary depending on consciousness.
* A t-test was conducted on the sleep duration and sleep deviation score of two groups, those whose awareness of sleep improved and those whose awareness of sleep decreased. The difference in sleep duration was p=0.48, and no significant difference was confirmed, but the difference in sleep deviation score was confirmed with p<0.01.
Sleep Tech usage rate and payment amount
Generally speaking, "sleep tech" refers to products and services that use technology to monitor, analyze, and improve sleep. The global sleep tech market has grown rapidly in recent years, and interest in the healthcare industry is also increasing in Japan. This survey provided numerical data on the current state of the Japanese sleep tech market.
Survey results
Despite the booming market, usage rates remain at 4.3% for apps and 5.6% for gadgets
False recognition of short sleepers
A short sleeper is someone who does not feel sleepy during the day even if they sleep for four hours or less, and who does not experience any physical or mental problems in the long term.
Most short sleepers are very rare and have genes for short sleep, and it is not possible to become a short sleeper through training. According to statistics in Japan, it is said that about 1% of the total population sleeps less than four hours on average, but the survey revealed some surprising facts.
Survey results
Short sleepers, which should only make up less than 1% of the population, are 23%?!
* A t-test was conducted on sleep deviation scores and sleep time between two groups, those who self-identified as short sleepers and those who did not. Both were found to have significant differences of p<0.01.
Rates of taking sleeping pills and visiting specialized clinics
Ideally, sleep conditions should be improved by improving your lifestyle and sleeping environment. However, some people may need to rely on sleeping pills depending on their symptoms. Brain Sleep compared data from last year to get a better understanding of the actual use of sleeping pills.
Survey results
The highest rate of use among men in their 20s was 11.6%.
* A chi-square test was performed on the distribution of whether or not people took sleeping pills in 2021 and 2022, and a significant difference was confirmed with p=0.02. A chi-square test was performed on the distribution of whether or not people took sleeping pills in 2022 between men in their 20s and others, and a significant difference was confirmed with p<0.01.
[Survey Overview]
Survey method: Web survey
Target area: Nationwide
Eligibility: Male and female
Sample size: n=10,000ss
Survey period: January 2022
*T-tests were used to compare sleep deviations and scores between groups, and chi-squared tests were used to compare the frequencies of occurrence when comparing percentages. Differences with a significance level of 5% or less were deemed to be statistically significant and are reported here.
*This survey has changed some subjects and survey items from last year.
【Company Profile】
Company name: Brain Sleep Co., Ltd.
Perhaps due to the effects of the lingering COVID-19 pandemic, this year's survey results show that sleep time is increasing and sleep debt is improving somewhat. People who have become more conscious about sleep tend to have higher sleep deviation scores, but their sleep time tends to be shorter. People who are more conscious about sleep may be more concerned about improving the quality of their own sleep. It is an interesting trend that younger generations use sleep apps and older people use gadgets, but nearly half of the people are unaware of their existence.
Although it depends on how you define short sleepers, the fact that 23.4% of people self-identify as short sleepers may be a result of wishful thinking. Another thing that caught my attention in the survey was the high rate of use of sleeping pills among young people. This includes over-the-counter products, but since sleeping pills are merely a symptomatic treatment, it is recommended that people develop lifestyle habits that are good for sleep before using sleeping pills.