Like I imagine many of us do these days, I often have trouble sleeping. To add to that, I have always been a light sleeper and can be easily awakened by a variety of noises: an especially loud siren outside, a crack of thunder, the heat suddenly coming on in the early morning hours.
Comfortable to wear; Masks a good range of external noises; Variety of sounds to use; Can improve sleep patterns
Expensive for a single-use product; Isn’t effective for all external noises; Usefulness depends on individual environment and circumstances