Neuroscientist Dr. Haru Cuts Through the Noise – Vol. 3 That lack of motivation might be caused by sleep-deprived brain!

Neuroscientist Dr. Haru explains the importance of high-performance sleep, as proven by professional athletes. Sleep quality determines work efficiency! Those who sleep, win! In fact, prolonged sle...

Neuroscientist Dr. Haru Cuts Through the Noise — Vol. 2: Could a Sleep-Deprived Brain Cause Diabetes?!

Dr. Haru, a neuroscientist, explains the relationship between sleep duration and serious diseases. Did you know that if your brain doesn't get a consistent period of rest every day, you're more sus...

Neuroscientist Dr. Haru Cuts Through the Noise — Vol. 1: A Sleep-Deprived Brain Is a Waste Dump

Dr. Haru, a neuroscientist, explains sleep deprivation. We've all probably experienced the unpleasantness of mornings and a foggy mind when we leave our sleep-deprived brains unattended, haven't we...

For busy people who have developed irregular sleep habits: What are the tips for getting a good night's sleep, even in a short amount of time?

Learn how to get a good night's sleep in a short amount of time! For those busy with daily life, we'll introduce tips for getting efficient, quality sleep even in a brief period.

Sleep debt, what is it?

"Sleep debt" is a little-known problem. It turns out that one in three Japanese people actually has sleep debt! This article explains the physical and mental effects of sleep debt and how to pay it...

Do Winter Colds Happen While You Sleep? A Thorough Explanation of the Relationship Between Sleep, Dryness, and Cold!

The importance of sleep in winter is surprisingly little known. Is it true that sleeping in a cold room makes you catch a cold? In the colder months, improve your sleep quality and prevent winter c...

Regulate your body clock with food and achieve an optimal sleep cycle.

Did you know that what we eat affects not only our health but also our sleep? Eat sleep-friendly foods to improve your sleep quality!

The Best Bedroom Humidity for Sleep That You Probably Didn't Know About!

Do you know the ideal temperature and humidity for a bedroom when you sleep? We'll introduce the surprisingly little-known ideal bedroom temperature and humidity, as well as easy ways to control hu...

Diet for Better Sleep

Are you feeling easily tired and irritable due to daily sleep deprivation? We'll introduce foods that improve sleep quality, ways to increase serotonin essential for good sleep, and more!