וַיַּשְׁכִּ֣מוּ בַבֹּ֗קֶר וַיִּֽשְׁתַּחֲווּ֙ לִפְנֵ֣י יְהוָ֔ה וַיָּשֻׁ֛בוּ וַיָּבֹ֥אוּ אֶל־בֵּיתָ֖ם הָרָמָ֑תָה וַיֵּ֤דַע אֶלְקָנָה֙ אֶת־חַנָּ֣ה אִשְׁתּ֔וֹ וַיִּֽזְכְּרֶ֖הָ יְהוָֽה׃
And they rose up in the morning early, and worshipped before the LORD, and returned, and came to their house to Ramah; and Elkanah knew Hannah his wife; and the LORD remembered her.
Rashi on I Samuel
And came to their home… and Elkonoh knew. From here [we learn] that a traveler is forbidden to have marital relations.30Maseches Kesubos 65a.
Metzudat David on I Samuel
And the Lord remembered her: Her recollection came up before Him for the good.