As you become tired, your attention will indeed blink out [...] People think you're either awake or asleep [...] but he found that even if your eyes are open and you are looking around you, you can lapse--without knowing it--into a state called local sleep. #JohannHari

As you become tired, your attention will indeed blink out [...] People think you're either awake or asleep [...] but he found that even if your eyes are open and you are looking around you, you can lapse--without knowing it--into a state called local sleep. #JohannHari

— English Quotes (@english_quotes) Feb 21, 2023