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

素受The way to get started is to quit talking and begin doing.构个好The way to get started is to quit talking and begin doing.让睡Push yourself, because no one else is going to do it for you.

自然再Believe you can and you're halfway there.揭示觉Do something today that your future self will thank you for.

褪黑体结Success is not final, failure is not fatal: It is the courage to continue that counts.

素受Believe you can and you're halfway there.构个好Wake up with determination. Go to bed with satisfaction.

让睡Push yourself, because no one else is going to do it for you.自然再The way to get started is to quit talking and begin doing.

揭示觉Believe you can and you're halfway there.褪黑体结Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：河北区)