When You Zone Out, It Might Just Be ‘Microsleep,’ According to New Research

By Korin Miller, Nov 10, 2025

It could also be your brain trying to play catch-up from a bad night’s sleep, says Alex Dimitriu, M.D., a psychiatrist and sleep medicine physician, and founder of Menlo Park Psychiatry & Sleep Medicine. When you’re in a deep sleep at night, your brain’s glymphatic system “washes out” leftover byproducts from a day of activity, he explains. “When people get insufficient sleep at night, it is possible that episodes of zoning out during the day may be the brain trying to catch up on processes that were not finished during the night,” he says.

Click HERE for the full article.