If you have been experiencing sleep difficulties, incorporating white noise or brown noise into your night-time routine might provide the relief you need.

It sounds counterintuitive, but a noise machine can generate a steady color noise ... minds at night. Try it: The LectroFan Classic has 10 variations of noise, encompassing white, pink and brown.

During the total lunar eclipse early Friday morning, the moon will still be visible in the night sky, but its color will change. Here's when and how to see the Blood Moon.