The Prophet ﷺ used to recite it as "Is there any who will remember?" [Qamar 54:15] with the letter doubled.
حدثنا حفص بن عمر حدثنا شعبة عن أبي إسحق عن الأسود
أن النبي ﷺ كان يقرؤها {فهل من مدكر} يعني مثقلا
No references are available.
Bukhari narrated it in the Book of tafsir, chapter of Surah Qamar (The Hour has drawn near), the section on "sailing under Our eyes, a reward for one who had been denied", hadith 4869, from Hafs bin Umar. Muslim narrated it in the Book of the prayer of travelers, the chapter on matters related to recitations, hadith 823, from the hadith of Shubah, through this same chain.