Hadithcore
Jami` at-Tirmidhi, 3415
da’if· Darussalam

Maslamah bin `Amr said:

“`Umair bin Hani used to perform a thousand prostrations every day and recite a hundred thousand Tasbīḥs every day.”

حَدَّثَنَا عَلِيُّ بْنُ حُجْرٍ حَدَّثَنَا مَسْلَمَةُ بْنُ عَمْرٍو قَالَ كَانَ عُمَيْرُ بْنُ هَانِئٍ يُصَلِّي كُلَّ يَوْمٍ أَلْفَ سَجْدَةٍ وَيُسَبِّحُ مِائَةَ أَلْفِ تَسْبِيحَةٍ ‏.‏

References2 variants
In-Book Reference
Book 48, Hadith 46
English Reference
Vol. 6, Book 45, Hadith 3415