I see you are qualified, and have a piece of paper to prove it, but how you perform is the only thing this company is interested in.
我知道你能胜任并有学历证书,但这间公司更注重是的你的工作能力。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.
如果睡眠的功能不是在于使身体得到休息,那么也许是让大脑得以休息?若不是下面两点,这种假使似乎是有道理的。