my son and I put up the ceiling fan over my bed. We had to use a tension bar because the existing light fixture was in between two joists and we needed a sturdier mount for the fan. For several days afterwards my son called me expressing fear that the heavy fan shook lose and crashed down on me in my sleep. Even so, I felt this was a paranoid fear, since he could swing on it with his 200 lb. weight. Still, a more probable possibility for fan death LOL!!