I came to the Messenger of Allah ﷺ and asked, "Is there any hour more beloved to Allah than another?"He replied, "Yes. The middle portion of the night. So pray as much as you wish until dawn breaks, then stop until the sun rises and as long as it appears like a shield, until it spreads its full light. Then pray as much as you wish until a standing pole casts no shadow beyond itself, then stop until the sun begins to decline, for Hell is stoked at midday. Then pray as much as you wish until you have prayed Asr, then stop until the sun sets, for it sets between the two horns of Shaytan and rises between the two horns of Shaytan."
حدثنا أبو بكر بن أبي شيبة حدثنا غندر عن شعبة عن يعلى بن عطاء عن يزيد بن طلق عن عبد الرحمن بن البيلماني
أتيت رسول الله ﷺ فقلت هل من ساعة أحب إلى الله من أخرى قال نعم جوف الليل الأوسط فصل ما بدا لك حتى يطلع الصبح ثم انته حتى تطلع الشمس وما دامت كأنها حجفة حتى تبشبش ثم صل ما بدا لك حتى يقوم العمود على ظله ثم انته حتى تزيغ الشمس فإن جهنم تسجر نصف النهار ثم صل ما بدا لك حتى تصلي العصر ثم انته حتى تغرب الشمس فإنها تغرب بين قرني الشيطان وتطلع بين قرني الشيطان
[Its chain of transmission is daif] Nasai narrated it, 1/283, 284, Timings, Chapter on the permissibility of prayer until the dawn prayer is performed, hadith 585, from the hadith of Shubah, with this wording.Abdul-Rahman bin Bailmani is daif, as stated in Taqrib and elsewhere. However, the basic content of the hadith has very many corroborating narrations, see Sahih Muslim, Prayer of the Traveler, Chapter on the conversion of Amr bin Abasa, hadith 832.