‘Abdullaah ibn Salaam (radiyallaahu ‘anhu) reported that the Messenger of Allaah (sallallaahu ‘alayhi wa sallam) said
Spread the greeting of salaam
Maintain the ties of kinship
Pray at night while the people sleep
And you shall enter Jannah, safe and sound
Refs: Saheeh Sunan ibn Maajah #2648, by al-Albaanee