Narrated 'Urwa:
I asked 'Aisha (regarding the Sai between As Safa and Al-Marwa). She said, "Out of reverence to the idol Manat which was placed in Al-Mushailal, those who used to assume Ihram in its name, used not to...
Allah! There is no God but He, the Ever Living, the One Who sustains and protects all that exists. Neither slumber nor sleep overtakes Him. To Him belongs whatever is in the heavens and whatever is on the earth. Who is...
-> Read More Info: Al-Baqarah 2:255. Whoever reads this when he lies down to sleep will have a guardian from Allah remain with him and Satan will not be able to come near him until he rises in the morning. See Al-Bukhari, cf. Al-Asqalani, Fathul-Bari 4/487.