Loud footsteps<br>I was chilling right in the room. All the sudden I heard loud footsteps. They were very loud. I couldn't sleep. I had to wear headphones.
The speaker was wearing headphones before hearing the loud footsteps.
The text implies they put them on because of the loud footsteps.
( z1 wear :ARG0 ( z2 person :ARG0-of ( z3 speak ) ) :ARG1 ( z4 headset ) :time ( z5 before :op ( z6 hear :ARG0 z2 :ARG1 ( z7 footsteps :mod ( z8 loud ) ) ) ) )