Riyad as-Salihin

Anas bin Malik (May Allah be pleased with him) reported: The Messenger of Allah (ﷺ) said to me, "Dear son, when you enter your house, say As- Salamu 'Alaikum to your family, for it will be a blessing both to you and to your family."

[At-Tirmidhi, who classified it as Hasan Sahih].