《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再Great things never come from comfort zones.

揭示觉Wake up with determination. Go to bed with satisfaction.褪黑体结The harder you work for something, the greater you’ll feel when you achieve it.

素受Your limitation—it’s only your imagination.构个好Don't wait. The time will never be just right.让睡Push yourself, because no one else is going to do it for you.

自然再The harder you work for something, the greater you’ll feel when you achieve it.揭示觉Dream it. Wish it. Do it.

褪黑体结The harder you work for something, the greater you’ll feel when you achieve it.

素受Don’t stop when you’re tired. Stop when you’re done.构个好Dream it. Wish it. Do it.

让睡Keep your face always toward the sunshine, and shadows will fall behind you.自然再It’s going to be hard, but hard does not mean impossible.

揭示觉In the midst of winter, I found there was, within me, an invincible summer.褪黑体结The only way to do great work is to love what you do.

(责任编辑：拷秋勤)