‘Abdullah ibn ‘Umar instructed a person, that when he went to bed, he should say: “Allaahumma khalaqta nafsee wa anta tawaffaahaa [O Allaah, You created my soul and You will make it die.] Laka mamaatuhaa wa mahyaahaa [Its death and life belong to You.] In ahyaytahaa fahfath-haa wa in amattahaa faghfir lahaa [If You give it life, safeguard it; and if You cause it to die, grant it pardon.] Allaahumma innee as’alukal-‘aafiyah [O Allaah, I beg You for safety.]” A person said to him, “Did you hear that from ‘Umar?” He replied, “[I heard it] from one who is better than ‘Umar – from Allaah’s Messenger (PBUH).” Sahih Muslim, vol.4, p.1422, no.6550.