This hadith has been transmitted on the authority of Ibn 'Umar but with a slight variation of wording (and the words are):" One of them would be completely submerged in perspiration up to half of his ears."
It is reported on the authority of Abu Huraira that the Messenger of Allah (may peace and blessings of Allah be upon him) made observations like them embodied in the hadith narrated by Yahya b. Muhammad on the authority…
It was narrated that Umm Salamah said:
"The Messenger of Allah (ﷺ) used to fast three days of every month: the Monday and Thursday of the first week and the Monday of the following week."