Drift off with calm bedtime reading about the polygraph, a gentle way to ease into sleep while finding relief from insomnia. In this soothing bedtime reading for sleep and restless nights, you’ll explore how polygraphs work, where they came from, and why lie detection has fascinated people for decades. Benjamin’s steady, calming cadence walks you through the history and science in a peaceful rhythm that helps your mind gradually settle. You’ll discover the ideas behind measuring heart rate, breathing, and stress responses while enjoying fact filled calm education that never relies on whispering or tricks, just clear and gentle reading meant to relax the mind. If insomnia, stress, or anxiety have been keeping you awake, this quiet exploration offers a soft place for your thoughts to rest. Press play, get comfortable, and let the steady rhythm of learning help you drift off. Happy sleeping! Read with permission from Polygraph, Wikipedia ( https://en.wikipedia.org/wiki/Polygraph ), licensed under CC BY-SA 4.0. Learn more about your ad choices. Visit megaphone.fm/adchoices