New 'Clean White' Color Added to 'Brain Sleep Comforter All Seasons' & New Release of 'Brain Sleep Wear Recovery T-shirt (Short Sleeve) / Half Pants'
Brain Sleep announces the release of a new 'Clean White' color for its temperature-regulating comforter on April 15, and a new short-sleeve/half-pants summer version of its medical-grade recovery wear on April 22, aiming to optimize sleep environments year-round.
📋 Article Processing Timeline
- 📰 Published: April 15, 2026 at 19:00
- 🔍 Collected: April 15, 2026 at 10:31
- 🤖 AI Analyzed: April 19, 2026 at 10:10 (95h 38m after Collected)
Brain Sleep Inc. (Headquarters: Chiyoda-ku, Tokyo; Representative Director: Atsushi Hirota; hereinafter 'Brain Sleep') will release new variations of two product series that cater to the constantly changing sleep environment throughout the year.
A new 'Clean White' color for the 'Brain Sleep Comforter All Seasons' (hereinafter 'Comforter All Seasons'), a comforter that guides you to a comfortable temperature all year round, will be released at 10:00 AM on Wednesday, April 15. Furthermore, new variations of general medical device wear that achieve ultimate fatigue recovery even with limited sleep time, 'Brain Sleep Wear Recovery T-shirt (Short Sleeve) / Half Pants' (hereinafter 'Wear Recovery Short Sleeve / Half Pants'), will be released on the Brain Sleep official website (hereinafter 'official site') from 10:00 AM on Wednesday, April 22.
Background of Adding Variations
The environment necessary for high-quality sleep changes due to seasonal factors such as temperature, humidity, and daylight hours, and changes in outdoor temperature and humidity greatly affect the temperature and humidity indoors, and consequently, inside the bed.*1 Perceived temperature and preferred bedroom environments vary by individual and residential area. For sleep, it is important to minimize environmental changes throughout the year to improve sleep quality, and continuing to use the same series of bedding is also important from the perspective of maintaining a sleep routine.
'Brain Sleep Comforter All Seasons' New Color Clean White
To the functional comforter that automatically regulates temperature—cooling when hot and warming when cold—a new color, 'Clean White', will be added to the existing Gray and Navy. The expansion of color variations makes it easier to incorporate into various bedroom coordinations. In addition, according to the 2024 edition*2 of the 'Sleep Deviation Value® Survey' conducted annually by Brain Sleep among 10,000 people nationwide, it was found that those sleeping in a 'white bedroom' have the highest sleep score compared to other colors, and they are able to secure the average sleep time reported in the same survey.
'Brain Sleep Wear Recovery T-shirt (Short Sleeve) / Half Pants'
In recent years, backed by growing awareness of investing in sleep quality, the recovery wear market has continued to expand and is penetrating as an everyday product. The 'Brain Sleep Wear Recovery' series commonly uses the uniquely developed recovery material 'MEDIC RECOVERY FIBER', and the 'Wear Recovery Short Sleeve / Half Pants' uses a dry jersey fabric that combines moisture-wicking and quick-drying properties with a soft touch. Responding to the demand to 'wear it even in hot seasons', we have decided to release the short sleeve / half pants specifications. It is general medical device wear that firmly exerts 4 efficacies ('Fatigue recovery', 'Blood circulation promotion', 'Reduction of muscle tension and stiffness', 'Relief of muscle fatigue') even with short lengths.
*1 Fukumi Maki, Tsutomu Aoki 'Journal of the Japan Wood Research Society, Vol. 52, No. 1: Changes in Humidity in Various Living Spaces'
*2 Sleep Deviation Value® Survey 2024 (n=10,000) https://brain-sleep.com/pages/research2024
Product Overview
[Released on April 15]
'Brain Sleep Comforter All Seasons' New Color Clean White that guides you to a comfortable temperature all year round
It is an all-season comforter that can be used throughout the year adapting to changes in the sleep environment, and has been a popular staple item well-received for a long time since its launch in 2022. Now, the new color Clean White makes its appearance. The white color blends naturally into interiors, making it easier for more customers to incorporate it into their bedroom coordination.
1. SIDE SLEEPING COLLECTION
Cool when hot, warm when cold. 'Outlast Technology' born from spacesuits
Using the technology of the temperature-regulating material 'Outlast', which is also utilized in spacesuit development, it comfortably controls the temperature inside the bed by absorbing excess heat when it's hot and releasing heat when it's cold. 'Outlast' is a temperature-regulating material embedded with microcapsules 20 to 30 microns in diameter within the fibers. The microcapsules change from solid to liquid and vice versa in response to temperature changes, absorbing, storing, and releasing heat to guide and maintain a comfortable temperature range.
2. TEMPERATURE CONTROL & CLEAN
Reversible design for cooling & warmth, usable 365 days. Fully washable, lightweight and compact!
By using different sides of the comforter, it is active in all seasons; for spring, summer, and autumn...
A new 'Clean White' color for the 'Brain Sleep Comforter All Seasons' (hereinafter 'Comforter All Seasons'), a comforter that guides you to a comfortable temperature all year round, will be released at 10:00 AM on Wednesday, April 15. Furthermore, new variations of general medical device wear that achieve ultimate fatigue recovery even with limited sleep time, 'Brain Sleep Wear Recovery T-shirt (Short Sleeve) / Half Pants' (hereinafter 'Wear Recovery Short Sleeve / Half Pants'), will be released on the Brain Sleep official website (hereinafter 'official site') from 10:00 AM on Wednesday, April 22.
Background of Adding Variations
The environment necessary for high-quality sleep changes due to seasonal factors such as temperature, humidity, and daylight hours, and changes in outdoor temperature and humidity greatly affect the temperature and humidity indoors, and consequently, inside the bed.*1 Perceived temperature and preferred bedroom environments vary by individual and residential area. For sleep, it is important to minimize environmental changes throughout the year to improve sleep quality, and continuing to use the same series of bedding is also important from the perspective of maintaining a sleep routine.
'Brain Sleep Comforter All Seasons' New Color Clean White
To the functional comforter that automatically regulates temperature—cooling when hot and warming when cold—a new color, 'Clean White', will be added to the existing Gray and Navy. The expansion of color variations makes it easier to incorporate into various bedroom coordinations. In addition, according to the 2024 edition*2 of the 'Sleep Deviation Value® Survey' conducted annually by Brain Sleep among 10,000 people nationwide, it was found that those sleeping in a 'white bedroom' have the highest sleep score compared to other colors, and they are able to secure the average sleep time reported in the same survey.
'Brain Sleep Wear Recovery T-shirt (Short Sleeve) / Half Pants'
In recent years, backed by growing awareness of investing in sleep quality, the recovery wear market has continued to expand and is penetrating as an everyday product. The 'Brain Sleep Wear Recovery' series commonly uses the uniquely developed recovery material 'MEDIC RECOVERY FIBER', and the 'Wear Recovery Short Sleeve / Half Pants' uses a dry jersey fabric that combines moisture-wicking and quick-drying properties with a soft touch. Responding to the demand to 'wear it even in hot seasons', we have decided to release the short sleeve / half pants specifications. It is general medical device wear that firmly exerts 4 efficacies ('Fatigue recovery', 'Blood circulation promotion', 'Reduction of muscle tension and stiffness', 'Relief of muscle fatigue') even with short lengths.
*1 Fukumi Maki, Tsutomu Aoki 'Journal of the Japan Wood Research Society, Vol. 52, No. 1: Changes in Humidity in Various Living Spaces'
*2 Sleep Deviation Value® Survey 2024 (n=10,000) https://brain-sleep.com/pages/research2024
Product Overview
[Released on April 15]
'Brain Sleep Comforter All Seasons' New Color Clean White that guides you to a comfortable temperature all year round
It is an all-season comforter that can be used throughout the year adapting to changes in the sleep environment, and has been a popular staple item well-received for a long time since its launch in 2022. Now, the new color Clean White makes its appearance. The white color blends naturally into interiors, making it easier for more customers to incorporate it into their bedroom coordination.
1. SIDE SLEEPING COLLECTION
Cool when hot, warm when cold. 'Outlast Technology' born from spacesuits
Using the technology of the temperature-regulating material 'Outlast', which is also utilized in spacesuit development, it comfortably controls the temperature inside the bed by absorbing excess heat when it's hot and releasing heat when it's cold. 'Outlast' is a temperature-regulating material embedded with microcapsules 20 to 30 microns in diameter within the fibers. The microcapsules change from solid to liquid and vice versa in response to temperature changes, absorbing, storing, and releasing heat to guide and maintain a comfortable temperature range.
2. TEMPERATURE CONTROL & CLEAN
Reversible design for cooling & warmth, usable 365 days. Fully washable, lightweight and compact!
By using different sides of the comforter, it is active in all seasons; for spring, summer, and autumn...