“When anyone of you has finished his prayer, let him give his house a share of that, for Allah will put something good in his house because of that prayer.”
Sunan Ibn Majah Book 5, Hadith 574
← Previous Hadith “A group from the people of ‘Iraq came to ‘Umar and when they came to him, he said to them: ‘Where are you from?’ They said: ‘From the inhabitants of ‘Iraq.’ He said: ‘Have you come with permission?’ They said: ‘Yes.’ Then they asked him about a man’s prayer in his house. ‘Umar said: ‘I asked the Messenger of Allah (ﷺ) and he said: “As for a man’s prayer in his house, it is light, so illuminate your houses.’””

Another chain with similar wording.

Sunan Ibn Majah Book 5, Hadith 573 Next Hadith → “The Messenger of Allah (ﷺ) said: ‘Do not make your houses into graves.’”

Sunan Ibn Majah Book 5, Hadith 575