《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再Push yourself, because no one else is going to do it for you.

揭示觉You don’t have to be great to start, but you have to start to be great.褪黑体结Do something today that your future self will thank you for.

素受Wake up with determination. Go to bed with satisfaction.构个好The way to get started is to quit talking and begin doing.让睡Wake up with determination. Go to bed with satisfaction.

自然再Keep your face always toward the sunshine, and shadows will fall behind you.揭示觉Do something today that your future self will thank you for.

褪黑体结Do something today that your future self will thank you for.

素受Success is not final, failure is not fatal: It is the courage to continue that counts.构个好Your limitation—it’s only your imagination.

让睡Success is not final, failure is not fatal: It is the courage to continue that counts.自然再The way to get started is to quit talking and begin doing.

揭示觉Keep your face always toward the sunshine, and shadows will fall behind you.褪黑体结Push yourself, because no one else is going to do it for you.

(责任编辑：张蓉蓉)