Why did Naomi Osaka change her mattress during the US Open?

Many top athletes are currently featured as the faces of household sleep products. The reason for this is undoubtedly that as athletes competing at a global level, battling against numerous rising ...

To you who are experiencing sleepless nights! How to choose the right mattress

There are various types of mattresses, and it can be hard to tell what the actual differences are. We'll explain the differences, pros, and cons of spring, urethane, and hybrid types.

Why do I still feel tired even though I'm getting enough sleep? There's a problem with the quality of your sleep!

Most people don't know what's happening while they sleep. Is it because they're sleeping soundly? Have you ever heard for the first time from a friend you traveled with that you snore a lot or have...

Neuroscientist Dr. Haru's Concerns About Children's Sleep - Vol. 2 Don't Miss the Signs of a Sleep-Deprived Brain!

A 2014 survey report by the Ministry of Education, Culture, Sports, Science and Technology revealed that one in four junior high school students and one in three high school students feel they don'...

What are sleep cycles and the benefits of deep sleep?

Are you aware of your "sleep cycle" to improve your sleep quality? Let's improve the quality of your sleep by understanding the sleep cycle, which is said to repeat every 90 minutes with REM and no...

What is the importance of sleep?

Why is sleep necessary? Is it okay to skip a little sleep? We'll explain the importance of sleep, which we often take for granted, and why humans sleep.

Dr. Haru, Neuroscientist: Troubling Children's Sleep – Vol. 1: Save the Sleepless Zombies!

Busy days. When do you feel most at ease when you return home? For me, it's when I see my child's face. I love them so much it almost hurts, but I also suffer from chronic sleep deprivation (sweat)...

Boosting Your Immune System Through Sleep—Things to Consider During the Coronavirus Pandemic

"Quality sleep" is known as one way to boost immunity. This article will introduce the effects of sleep on immunity and the relationship between sleep and immune function.

What do you sleep in? What you wear to bed can be a source of stress while you sleep!

Want to improve your sleep quality? Learn about the deep connection between what you wear to bed and sleep. Change your pajamas and boost your sleep quality!

Are you sleeping soundly? Here are "10 Tips for a Good Night's Sleep" to help you get the best rest!

For those who haven't been sleeping well lately, a sleep company offers 10 tips for a better night's rest!