《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再Keep your face always toward the sunshine, and shadows will fall behind you.

揭示觉The greatest glory in living lies not in never falling, but in rising every time we fall.褪黑体结Your limitation—it’s only your imagination.

素受It’s going to be hard, but hard does not mean impossible.构个好Believe you can and you're halfway there.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Keep your face always toward the sunshine, and shadows will fall behind you.揭示觉Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

褪黑体结The way to get started is to quit talking and begin doing.

素受Do something today that your future self will thank you for.构个好Dream it. Wish it. Do it.

让睡It’s going to be hard, but hard does not mean impossible.自然再Do something today that your future self will thank you for.

揭示觉Believe you can and you're halfway there.褪黑体结Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：徐天培)