Eye covers more than just trick our eyes into thinking that it's time to sleep. They help mute the "noise" (stress, anxiety, excitement, etc.) in our brains that keep us from getting into the mood for sleep. They are safer than medication or alcohol and they prevent dry eyes. The type of eye blinders that one finds comfortable differ for every person so much care has been taken to list down the varieties available on the market that may be the best fit for you.