There are always unpleasant incidents in our lives that disturb us. When we are soaking in the bath and enjoying the nice time. Suddenly, the bar of the shower curtain falls down, breaking the tub and even hurting us. Then the happy time is over, and we have to clean up the mess. When it comes the midnight, we are playing with our children in a beautiful dream. Suddenly "bang", the sound scares the sleepy kids to cry. It turns out that the shower curtain rod falling in the bathroom, which has interrupted our complete sleep.