Ernest L Hartmann, M.D.

Hartmann is an authority on sleep and dreaming. He is Professor of Psychiatry at Tufts University School of Medicine and Director of the Sleep Disorders Center at Newton-Wellesley Hospital in Massachusetts.

Hartmann is an authority on sleep and dreaming. He is Professor of Psychiatry at Tufts University School of Medicine and Director of the Sleep Disorders Center at Newton-Wellesley Hospital in Massachusetts. See less