Author Takashi Nakajima, this book tells the story of the author who worked as a cleaner after retiring from the original business people, thus improving his work and rest style and making many achievements.

First of all, share the benefits of getting up early, Napoleon, and sleep for three hours a day. Edison also spent three or four hours a day. So, why can they achieve such a short sleep? And achieved fruitful results.

Our ancestors said from the beginning that we should work at sunrise and rest at sunset, and we should not fight against nature. End the night owl life, because the best time of the day, the most efficient time, the hormones secreted by the body are well played in the morning. Many people live a 7- 1 1 life. Actually, I made an attempt recently. Getting up in the morning is really efficient. Ensuring 7 to 8 hours of sleep every day is for health. Well, seven to eight hours. I didn't choose which time period. The author of this book gives the answer: adopt 3_8 work and rest, get up at 4 am, and twelve o'clock is exactly eight hours. Afternoon 12 to 20, eight hours. Then the last eight hours are your own sleep time. Very able to balance your life. It is said in the book that Zhuge Liang once proposed to Liu Bei that the world should be divided into three points, which is also a bit of this meaning.

As for this book, I don't copy it completely. My way of working and rest is: get up at 5: 30 in the morning and rest for half an hour to forty minutes at noon as sleep. To avoid falling into a deep sleep. Go to bed at 22 o'clock in the evening and rest at 22: 30 at the latest. So, I slept for at least seven hours. If I add half an hour at noon, it will be seven and a half hours. If I feel a little sleepy at ten o'clock, I will sleep at 22 o'clock and sleep for eight hours a day. According to scientific data, between seven and a half hours and eight hours is the best time for sleeping and healthy work and rest.