A lot of us feel eerie sleeping in complete darkness or silence. To combat this, many have a habvit of having a dim lamp on through the night, sleeping in the embrace of the glowing television or having soft music playing in the background. This is often said to help people drift off in sleep peacefully. If you are someone who does that too, there are new findings from the world of science that say that this habit might carry serious long-term health cost, especially for your heart and your brain.
