‏الصلاة : Hadeeth No:1718 'A'isha reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: When anyone amongst you dozes in prayer, he should sleep, till sleep is gone, for when one of you prays while dozing he does not know whether he may be asking pardon or vilifying himself....

‏الصيام : Hadeeth No:2534 Abu Huraira (Allaah be pleased with him) reported that the Messenger of Allaah (sallAllaahu alayhi wa sallam) forbade to observe fast on these two days. 'Id-ul-Adha bi and 'Id-ul-Fitr....