If I were to order anyone to prostrate himself before another, I would have ordered the wife to prostrate herself before her husband. [At-Tirmidhi]
"عن أبي هريرة -رضي الله عنه- مرفوعاً: «لو كنت آمِرًا أحدًا أن يسجد لأحد لأمرت المرأة أن تسجد لزوجها». [صحيح.] - [رواه الترمذي.]"