I tossed and tumbled in bed last night, sleeplessly.

昨夜我在床上辗转反侧，整夜未眠。

The most prolific of the minds has wandered sleeplessly, trying to solve the mind-brain problem, yet, the mysteries behind our skulls remain hidden.

最丰富的头脑已经徘徊无眠，试图解决心脑问题，然而，我们的头骨保持隐藏背后的奥秘。