Going ‘Blank’ Looks a Lot Like Parts of The Brain Falling Asleep, Neuroscientists Find

The brain is a tricky organ, and we don’t yet know if this really is the same as what happens in sleep, or just our meat engines finding some other way of giving ourselves a rest.
— Read on www.sciencealert.com/going-blank-and-daydreaming-has-a-similar-brain-pattern-to-part-of-your-brain-starting-to-fall-asleep/amp