According to a laundry expert, there's only one washing machine cycle you really need to use. And it's about to become your new best friend.

While mold can grown in any washing machine, those in humid places, front-loading, and “high efficiency” washers are more prone to mold buildup than top loaders.

The common rule of thumb is to wash sheets every other week. Ideally, sleep experts recommend changing sheets every week but agree that every two weeks is the absolute longest one should go sleeping ...