‏الحج : Hadeeth No:3185 Abu Huraira (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: None who shows endurance on the hardships of Medina,... (the rest of the hadith is the same)....

‏الصيام : Hadeeth No:2619 Salim reported on the authority of his father that a person saw Lailat-ul- Qadr on the 27th (of Ramadan). Thereupon Allaah's Prophet (sallAllaahu alayhi wa sallam) said: I see that your dreams agree regarding the last ten (nights of Ramadan). So seek it on an odd number (of these ten nights)....