Book (Practical) Social science Brain Detox Sound Sleep Habit (Tentative) / Ayumu Okumura
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Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Social Science
"Sleep = brain maintenance". This is possible only by "deep sleep". When the quality of sleep deteriorates due to smartphone dependence, brain overwork, and sleep debt, the brain becomes a garbage house, triggering depression and dementia regardless of age! Learn about deep sleep habits with this book.