The Prophet ﷺ said, "Whoever stands in prayer during the two nights of Eid, seeking reward from Allah, his heart will not die on the day when hearts die."
حدثنا أبو أحمد المرار بن حموية حدثنا محمد بن المصفى حدثنا بقية بن الوليد عن ثور بن يزيد عن خالد بن معدان
عن النبي ﷺ قال من قام ليلتي العيدين محتسبا لله لم يمت قلبه يوم تموت القلوب
No references are available.
[Its chain of transmission is daif] Busiri said, "Its chain of transmission is daif due to the tadlis of Baqiyyah." See also, no. 551, 1129. Iraqi said in his sourcing of Ihya, "Its chain of transmission is daif."