(29) باب اسْتِحْبَابِ صَلاَةِ النَّافِلَةِ فِي بَيْتِهِ وَجَوَازِهَا فِي الْمَسْجِدِ
Jabir reported Allah's Messenger (ﷺ) as saying:
When any one of you observes prayer in the mosque he should reserve a part of his prayer for his house, for Allah would make the prayer as a means of betterment in his house. (RU)
Reference (RU): Sahih Muslim 778 (RU)
In-book reference (RU): Book 6, Hadith 250 (RU)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1705 (RU)