#Japan #Tokyo #fatigue science #Japanese Publishing #Osami Kajimoto

Breaking the Cycle of Fatigue

Modern life often leaves many feeling trapped in an endless loop of exhaustion. As we navigate our busy schedules, we often resort to ineffective remedies such as weekend sleep-ins or energy drinks. However, the fundamental problem may lie not in our lifestyle choices but in the functioning of our brain itself. In his upcoming book, 脱・疲労回復――「疲れないしくみ」をつくる脳の習慣 (Breaking Free from Fatigue: Creating a Brain Habit for Not Getting Tired), Dr. Osami Kajimoto unveils groundbreaking strategies that not only target the symptoms of fatigue but also aim to fundamentally alter our brain's processing capabilities.

Unveiling the Causes of Persistent Fatigue

Many individuals find themselves saying, "I can't shake off this tiredness, even after a good night's sleep." Dr. Kajimoto attributes this issue to an overload in our brain's processing system. Just as a smartphone slows down with too many background applications, human brains falter when overwhelmed with worries and multitasking.

The core message of Dr. Kajimoto’s book is clear: instead of merely recovering from fatigue, we should focus on crafting a system that prevents fatigue from forming in the first place. This shift in mindset could dramatically improve our daily performance and overall well-being.

Key Strategies for Optimizing Brain Function

A major focus of Dr. Kajimoto’s approach is the optimization of "working memory"—the brain's ability to hold and manipulate information actively. He suggests that poor management of our workload leads to wasted mental resources, which ultimately escalates feelings of fatigue. Therefore, the book presents actionable habits, such as:

• - Tagging Daily Events: Organizing daily experiences can strengthen memory retention and reduce mental clutter.
• - Categorizing Worries: Organizing concerns into three categories helps in minimizing unnecessary cognitive load.
• - Practicing 'Mini Human Observations': Enhancing our meta-cognitive skills can improve our awareness and decision-making.

In addition to these practices, the author emphasizes the importance of nutrition, physical activity, and sleep—advocating for proactive measures to prevent fatigue rather than just reacting to it.

Engage in a Revolutionary Approach to Fatigue

The strategies laid out in this book promise to be simple yet highly effective, making them easy to incorporate into daily routines. By systematically applying these techniques, readers can foster a brain environment where fatigue is minimized, paving the way for higher productivity and enhanced mental clarity.

Book Details

Title: 脱・疲労回復――「疲れないしくみ」をつくる脳の習慣
Author: Dr. Osami Kajimoto
Release Date: December 24, 2025
ISBN: 9784537223422
Format/Pages: 192 pages, A5 size
Price: 1,650 yen (tax included)
Publisher: Nihon Bungeisha
For more details, visit Nihon Bungeisha

About the Author

Dr. Osami Kajimoto is a leading researcher in fatigue medicine and the director of the Tokyo Fatigue and Sleep Clinic. His impressive qualifications include a doctorate from Osaka University and a faculty position as a special professor in the Department of Fatigue Medicine at Osaka City University. Beyond academia, Dr. Kajimoto played a pivotal role in the development of the Nintendo DS game Atama Scan, which sparked the 'brain age' trend. He is no stranger to media appearances, contributing to various programs including Honma Dekka!? TV and Science ZERO.

About Nihon Bungeisha

Corporate Overview
CEO: Hibiki Takemura
Location: 1-1-1 Hitotsubashi, Chiyoda, Tokyo, 100-0003, Japan
Established: January 1959
Capital: 100 million Japanese yen
Employees: 74 (as of March 31, 2025)
Website: Nihon Bungeisha Corporate Site