Abu Sa'id and Abu Huraira reported God’s Messenger as saying, “When a man wakens his wife* during the night and they pray (or he prays) two rak'as together, they are recorded among the men and women who make mention of God.” * The Arabic word is ahl which means “people” or “family”, and sometimes "wife. As the dual is used about them praying together, it obviously means “wife” here; but in Ibn ‘Umar’s tradition below the plural is used, and so the word is there translated “family”. Abu Dawud and Ibn Majah transmitted it.
Reported by Abu Dawud (No. 1309). Cited in Mishkat al-Masabih (No. 1238).
"رحم الله رجلا قام من الليل، فصلى وأيقظ امرأته، فإن أبت نضح في وجهها الماء، ورحم الله امرأة قامت من الليل فصلت، وأيقظت زوجها فإن أبي نضحت في وجهه الماء"