Why Are We Tired Even Though Life Has Become More Convenient?
SUNAYAMA Co., Ltd. announced its 'Lifestyle Research Declaration,' redefining warmth, posture, and sleep as lifestyle research themes to help people regain their natural physical recovery power against the negative side effects of modern convenience.
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SUNAYAMA Co., Ltd. April 20, 2026
SUNAYAMA Co., Ltd. (Headquarters: Katsushika-ku, Tokyo; CEO: Naoki Sunayama) (hereinafter referred to as SUNAYAMA) has recently redefined warming activities, posture, and deep sleep not merely as product categories but as a "lifestyle research theme." As an expression of thought towards modern society, we announce the "SUNAYAMA Lifestyle Research Declaration."
● Background | Why are we tired even though life has become more convenient?
Air conditioning, transportation, digital technology, time-saving, 24-hour availability—
Our lives have become more convenient than ever before.
However, on the other hand, the number of people experiencing physical discomforts such as:
Being prone to chilling
Easily losing good posture
Not feeling recovered even after sleeping
has been increasing year by year.
SUNAYAMA considers this contradiction not to be an "individual disorder" or "due to aging," but the result of the lifestyle itself failing to give sufficient consideration to the body's mechanisms.
● SUNAYAMA Lifestyle Research Declaration
SUNAYAMA declares the following:
The evolution of convenience has made it difficult for the "body's ability to tune itself" that people inherently possessed to function.
Through warming activities, posture, and deep sleep, we will conduct research to reclaim the "body's ability to tune itself (recovery power)" from our daily lives.
Warming activities, posture, and deep sleep are not merely treatments for disorders.
By "returning" people to their natural state, it is a research theme aimed at regaining a condition where natural recovery is possible.
● The "Side Effects of Convenience" We Are Raising as an Issue
SUNAYAMA focuses on the following changes in modern life:
Constant air conditioning year-round is depriving us of the ability to regulate body temperature.
Automation of transportation makes us lose reasons to use our bodies.
A society of continuous sitting causes posture to collapse and breathing to become shallow.
Environments that are bright even at night disrupt our biological clocks.
Time-saving and efficiency are erasing the time needed for recovery.
These are not coincidences, but aspects that have emerged as a result of lifestyle designs prioritizing convenience.
● Reason for Treating Warming, Posture, and Deep Sleep as "Research Themes"
SUNAYAMA does not categorize these into "cold countermeasures," "posture correction goods," or "sleep support products." This is because body temperature, posture, and sleep are all interconnected.
If posture collapses, breathing becomes shallow.
If breathing is shallow, the body does not warm up.
If the body is cold, sleep does not become deep.
SUNAYAMA will research these as a single lifestyle cycle.
● Delivering a "Question" to Society, Not Just Products
What SUNAYAMA wants to deliver to society first is not an answer.
It is the question: "Does this lifestyle really suit the human body?"
We believe that products, services, information, and proposals will emerge starting from this question.
● Future Developments
Moving forward, SUNAYAMA will explore "a lifestyle that is always just right for me" through:
Proposals and product development based on lifestyle research
Joint research with companies and media
Visualization of lifestyle issues by age group and life stage
[About SUNAYAMA Co., Ltd.]
Company Name: SUNAYAMA Co., Ltd.
Headquarters Address: 6-27-5 Okudo, Katsushika-ku, Tokyo 124-0022
Date of Establishment: June 17, 1963
Capital: 40 million yen
Representative: Naoki Sunayama, CEO
Website: http://www.sunayama.jp/
Contact Information Regarding This Matter
SUNAYAMA Co., Ltd.
First Division: Otsuka Tel: 03-3692-0371
Email: otsuka@hosyco.co.jp
SUNAYAMA Co., Ltd. (Headquarters: Katsushika-ku, Tokyo; CEO: Naoki Sunayama) (hereinafter referred to as SUNAYAMA) has recently redefined warming activities, posture, and deep sleep not merely as product categories but as a "lifestyle research theme." As an expression of thought towards modern society, we announce the "SUNAYAMA Lifestyle Research Declaration."
● Background | Why are we tired even though life has become more convenient?
Air conditioning, transportation, digital technology, time-saving, 24-hour availability—
Our lives have become more convenient than ever before.
However, on the other hand, the number of people experiencing physical discomforts such as:
Being prone to chilling
Easily losing good posture
Not feeling recovered even after sleeping
has been increasing year by year.
SUNAYAMA considers this contradiction not to be an "individual disorder" or "due to aging," but the result of the lifestyle itself failing to give sufficient consideration to the body's mechanisms.
● SUNAYAMA Lifestyle Research Declaration
SUNAYAMA declares the following:
The evolution of convenience has made it difficult for the "body's ability to tune itself" that people inherently possessed to function.
Through warming activities, posture, and deep sleep, we will conduct research to reclaim the "body's ability to tune itself (recovery power)" from our daily lives.
Warming activities, posture, and deep sleep are not merely treatments for disorders.
By "returning" people to their natural state, it is a research theme aimed at regaining a condition where natural recovery is possible.
● The "Side Effects of Convenience" We Are Raising as an Issue
SUNAYAMA focuses on the following changes in modern life:
Constant air conditioning year-round is depriving us of the ability to regulate body temperature.
Automation of transportation makes us lose reasons to use our bodies.
A society of continuous sitting causes posture to collapse and breathing to become shallow.
Environments that are bright even at night disrupt our biological clocks.
Time-saving and efficiency are erasing the time needed for recovery.
These are not coincidences, but aspects that have emerged as a result of lifestyle designs prioritizing convenience.
● Reason for Treating Warming, Posture, and Deep Sleep as "Research Themes"
SUNAYAMA does not categorize these into "cold countermeasures," "posture correction goods," or "sleep support products." This is because body temperature, posture, and sleep are all interconnected.
If posture collapses, breathing becomes shallow.
If breathing is shallow, the body does not warm up.
If the body is cold, sleep does not become deep.
SUNAYAMA will research these as a single lifestyle cycle.
● Delivering a "Question" to Society, Not Just Products
What SUNAYAMA wants to deliver to society first is not an answer.
It is the question: "Does this lifestyle really suit the human body?"
We believe that products, services, information, and proposals will emerge starting from this question.
● Future Developments
Moving forward, SUNAYAMA will explore "a lifestyle that is always just right for me" through:
Proposals and product development based on lifestyle research
Joint research with companies and media
Visualization of lifestyle issues by age group and life stage
[About SUNAYAMA Co., Ltd.]
Company Name: SUNAYAMA Co., Ltd.
Headquarters Address: 6-27-5 Okudo, Katsushika-ku, Tokyo 124-0022
Date of Establishment: June 17, 1963
Capital: 40 million yen
Representative: Naoki Sunayama, CEO
Website: http://www.sunayama.jp/
Contact Information Regarding This Matter
SUNAYAMA Co., Ltd.
First Division: Otsuka Tel: 03-3692-0371
Email: otsuka@hosyco.co.jp