1. Sleep is the death of fragments, a classic quotation, which we borrowed to maintain and update the life consumed during the day. -(German philosopher) Schopenhauer.

2. Sleep is the interest we pay for the capital that was recovered only when we died: the higher the interest rate, the more timely the payment, and the later the repayment date. -(German philosopher) Schopenhauer

3. Sleep is like a cool spray, which will clean up all the business in your mind. -(Russian writer) Turgenev

4. Don't talk about dreams before you are an idiot, the wider and more pedantic you are in your dreams. -(China ancient scholar) Liu Guo

5. Both adults and children should fall asleep with happy expectations for tomorrow. At the same time, you should get up early in a happy mood, which is the secret of longevity. -(Japanese educator) Kimura Ku-