Sound Machines Might Be Making Your Sleep Worse

Vidcast: https://www.instagram.com/p/DcWprVQxM2m/ That soothing pink noise playing beside your bed may not be helping your sleep after all. A University of Pennsylvania study published in the journal Sleep tested 25 healthy adults in a sleep laboratory for seven nights. Researchers compared aircraft noise, continuous pink noise, the two together, and earplugs. The results are surprising. Aircraft…