What does the pilgrim do if he is overcome with fatigue at 'Arafah?

Question : That a person is overcome with fatigue at 'Arafah, meaning he remains from after the midday prayer until sunset, feeling tired and exhausted.

Answer : Yes, it is permissible to dispel this fatigue by doing things that remove it from him. And these things, which are intended to remove the fatigue, he will be rewarded for them, is that not so? Because the means have the rulings of their purposes.