Surah an-Naas was revealed in Madinah and it has 6 ayaat.
Surah an-Naas and al-Falaq are together called Ma’udhatayn.
Imam Ja’far as-Sadiq (a.s.) has said that whoever recites this surah in his house every night, will be kept safe from Jinnaat and the evil designs of Shaitan.
If this surah is put around the neck of a child as a talisman, the child will be protected from Jinnat.
Reciting the Ma’udhatayn before sleeping is a means of safety and if recited on any part of the body that is paining, the pain will be relieved Insha-Allah.