Narrated 'Abd Allah b. Shaqiq:
I asked 'Aishah: Did the Messenger of Allah ﷺ pray in the Duha? She replied: No, except when he returned from his journey. I then asked: Did the Messenger of Allah ﷺ recite the surahs combining each other? She said: He would do so in the mufassal surahs.

حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ، حَدَّثَنَا الْجُرَيْرِيُّ، عَنْ عَبْدِ اللَّهِ بْنِ شَقِيقٍ، قَالَ سَأَلْتُ عَائِشَةَ هَلْ كَانَ رَسُولُ اللَّهِ ﷺ يُصَلِّي الضُّحَى فَقَالَتْ لاَ إِلاَّ أَنْ يَجِيءَ مِنْ مَغِيبِهِ . قُلْتُ هَلْ كَانَ رَسُولُ اللَّهِ ﷺ يَقْرِنُ بَيْنَ السُّورَتَيْنِ قَالَتْ مِنَ الْمُفَصَّلِ .