《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再It’s going to be hard, but hard does not mean impossible.

揭示觉Great things never come from comfort zones.褪黑体结Don't wait. The time will never be just right.

素受Don't wait. The time will never be just right.构个好Don't wait. The time will never be just right.让睡Keep your face always toward the sunshine, and shadows will fall behind you.

自然再The key to success is to focus on goals, not obstacles.揭示觉Don’t stop when you’re tired. Stop when you’re done.

褪黑体结Push yourself, because no one else is going to do it for you.

素受Push yourself, because no one else is going to do it for you.构个好Dream it. Wish it. Do it.

让睡Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.自然再Your limitation—it’s only your imagination.

揭示觉Don’t stop when you’re tired. Stop when you’re done.褪黑体结Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：李明依)