The Messenger of Allah ﷺ forbade a man to put on his sandals while standing.
حدثنا علي بن محمد حدثنا أبو معاوية عن الأعمش عن أبي صالح
نهى رسول الله ﷺ أن ينتعل الرجل قائما
[Its chain is daif] Busiri graded it sahih.Abu Muawiya was mentioned previously, no. 1864, and Amash was mentioned previously, no. 178. Both are mudallis narrators and they used the term "ana" without stating a direct hearing. The hadith has another route in Tirmidhi, no. 1775, and elsewhere, but it contains Harith bin Nabhan, who is matruk (discarded) as mentioned previously, no. 213. See also the following hadith.