Experienced meditators can voluntarily can stop their consciousness, study reveals

https://www.news-medical.net/news/20231211/Experienced-meditators-can-voluntarily-modulate-their-state-of-consciousness-study-reveals.aspx

In the event known as cessation (or nirodha, according to Tibetan Buddhist terminology), the meditators briefly lose consciousness, but upon re-awakening, they are said to experience significant changes in the way their mind works, including a sudden sense of profound mental and perceptual clarity