Anas reported God’s messsenger as saying that if anyone asks God for paradise three times, paradise will say, ‘‘O God, bring him into paradise;” and if anyone asks for protection from hell three times, hell will say, "O God, grant him protection from hell.” Tirmidhi and Nasa’i transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب الدعوات / 2478
Hadith Gradingالألبانی:لم تتمّ دراسته | زبیر علی زئی:صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «صحيح، رواه الترمذي (2572) والنسائي (279/8 ح 5523)»