Complex sentence: Ribadier however possesses the gift of hypnotism and systematically profits from it by putting his wife to sleep at the time of his escapades-reawakening her on his return thanks to a trick he alone knows.
Split into simpler sentences: Ribadier however possesses the gift of hypnotism-and systematically profits from it by putting his wife to sleep at the time of his escapades. He wakes her on his return thanks to a trick he alone knows.