´It was narrated from ‘Abdullah bin ‘Amr that the Prophet (ﷺ) passed by him when he was praying sitting down. He said:` “The prayer of one who sits down is equivalent to half of the prayer of one who stands.”
Hadith Referenceسنن ابن ماجه / كتاب إقامة الصلاة والسنة / 1229