I endured accounting and economics in high school and barely stayed awake.

我在高中时勉强撑过了会计和经济学，它们永远令我昏昏欲睡。

youdao

I was barely able to stay awake.

我几乎无法保持清醒。

youdao

It supposedly can make you feel fresh and awake even if you barely slept the night before.

即使你前一晚几乎都没有睡，据称它会让你觉得更清新和清醒。

youdao

Some patients come in using so many psychiatric meds they can barely stay awake.

FORBES: The Woman Who Stops Patients From Killing Themselves

I've barely slept but have never felt more awake.

FORBES: Adventurer