I couldn't sleep, and pace about most of the night.

我睡不着，夜里大部分时间是在来回踱步。

youdao

On runs when you're feeling good and fluid, finish up the last 5 to 10 minutes at a "comfortably fast" pace, about the pace you could maintain for 30 to 60 minutes.

当你的跑步感觉舒服流畅，最后5- 10分钟以“舒服的加速”的配速进行，也就是你能坚持30- 60分钟左右的配速。

youdao

On runs when you're feeling good and fluid, finish up the last 5 to 10 minutes at a "comfortably fast" pace, about the pace you could maintain for 30 to 60 minutes.

当你的跑步感觉舒服流畅，最后5- 10分钟以“舒服的加速”的配速进行，也就是你能坚持30- 60分钟左右的配速。

youdao