Sleep deprivation reliably caused attention failures despite their obvious dangers, like the potentially fatal consequences ...

Learn how MIT researchers uncovered how our brains try to clean themselves mid-day, costing us attention in the process.

After a night of poor sleep, you don't feel as alert as you should. Your brain might seem foggy, and your mind drifts off ...

New research shows that during moments of lost focus after poor sleep, the brain releases a wave of cerebrospinal fluid (CSF)—the same cleansing process that normally occurs during deep sleep.

It turns out that when you’re running low on sleep, your brain is actually working overtime. A new MIT study shows that when ...

We spend about one-third of our lives asleep, and yet, the secret of how our brain falls asleep remains one of the greatest ...

Functional vision improvements are reported, with optimal pupil size considerations for varying light conditions being ...

New pupillometry research reveals how post-traumatic stress disorder (PTSD) may affect both branches of the autonomic nervous system. By measuring how someone's pupils dilate and constrict in response ...