Penn State Jul 24 2025 Dreams, and likely nightmares, are experienced universally across humans and animals, but neuroscientists still do not know why. Now, with a three-year, $1.2 million grant from the W.M. Keck Foundation, an interdisciplinary team of researchers at Penn State will study the underlying mechanisms of nightmares and their relationship with anxiety-related mental health disorders, such as post-traumatic stress disorder (PTSD).  The team aiming to expand the scientific