Hadith 591
It was narrated from Ibn 'Abbas that he prayed Al-Uula (Zuhr) and 'Asr together in Al-Basrah with nothing in between them, and he prayed Maghrib and 'Isha' together with nothing in between them. He did that because he was busy and Ibn 'Abbas said that he had prayed Zuhr and 'Isha' together with the Messenger of Allah (ﷺ) in Al-Madinah, eight Rak'ahs with nothing in between.
Hadith 626
´It was narrated that Ibn 'Abbas said:` "The Messenger of Allah (ﷺ) set out at nightfall, then stopped to camp at the end of the night, and he did not wake up until the sun had risen or had partly risen. He did not pray until the sun had risen (fully), then he prayed, and that was the 'middle prayer' (Salat Al-Wusta)."
Hadith 2766
´It was narrated from Ibn 'Abbas:` That Duba'ah wanted to perform Hajj, so the Prophet Told here to stipulate a condition, and she acted upon the command of the Messenger of Allah.