Insomniac brains are both asleep and awake

From Washington, D.C., at a meeting of the Society for Neuroscience

Have you ever gotten out of bed still tired because you’d been worrying all night? New research suggests that your brain might have been both asleep and awake through those fitful hours.

Stress-induced insomnia affects almost a quarter of people in the United States each year. Yet, scientists know little about what the brain’s doing as people struggle to get some shut-eye.