It was narrated from Az Zuhri, from Abu Salamah, from Abu Hurairah (RA) that the Prophet ﷺ used to encourage praying Qiyam Al-Lail in Ramadan, but not forecibly. And he said: “When Ramadan begins, the gates of Paradise are opened and the gates of Hell are closed, and the devils are chained up.” Ibn Al-Mubarak narrated it in Mursal form: (Sahih)