However, there has previously been little direct evidence that poor sleep increases susceptibility to the common cold.

然而，没有直接证据表明睡眠质量不高会增加患普通感冒的几率。

youdao

However, there has previously been little direct evidence that poor sleep increases susceptibility to the common cold.

然而，没有直接证据表明睡眠质量不高会增加患普通感冒的几率。

youdao