Sahih Muslim Book 4, Hadith Number 1705.

Chapter : What has been related (from the Holy Prophet) about one who sleeps the whole night till morning.

Jabir reported Allah’s Messenger (may peace be upon him) 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.