Three things the Prophet ﷺ advised

Fast three days a month, pray Duha, and pray Witr before sleeping.

Narrated by Abu Hurairah

My close friend ﷺ advised me to do three things: fasting three days every month, praying the two rak'ahs of Duha, and praying Witr before I sleep.

Sahih al-Bukhari 1981, Sahih Muslim 721

What this hadith teaches

Small, steady deeds: whoever fears not waking at night should pray Witr before sleeping.

Reference and grade

Grade
Sahih: agreed upon by al-Bukhari and Muslim
Narrator
Abu Hurairah

The hadith in Arabic نص الحديث

صِيَامِ ثَلاَثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ، وَرَكْعَتَىِ الضُّحَى، وَأَنْ أُوتِرَ قَبْلَ أَنْ أَنَامَ

Arabic text of Sahih al-Bukhari 1981, as given on sunnah.com.