To give rest to someone or something; to let (one's body, eyes, etc.) rest or to suspend activity.
長旅の後、体を休めるためにホテルに泊まった。
After the long trip, I stayed at a hotel to rest my body.
画面を長時間見たので、目を休める時間をとった。
Having looked at the screen for a long time, I took time to rest my eyes.
負傷した足をしばらく休めるように医者に言われた。
The doctor told me to rest my injured foot for a while.