10-30 Muhammad ibn al-Hassan ibn Ahmad ibn al-Walid - may God be pleased with him - narrated that Muhammad ibn al-Hassan al-Saffar quoted Ja’far ibn Muhammad ibn Ubaydullah al-Ash’ari, on the authority of Abdullah ibn Maymun al-Qad’dah, on the authority of Ja’far ibn Muhammad as-Sadiq (MGB), on the authority of his father (MGB), on the authority of his forefathers (MGB),

“You should separate the beds of boys from that of other women when they become ten years old.”