Did You Know Elephants Have Names For Each Other?

Why you shouldn't post photos of your boarding pass

AWS API Gateway Tutorial for Cloud API Developer | AWS API Gateway Explained with Examples

Get started developing with Gemini API

Generate Your Own API Key: A Step-by-Step Guide

1. He said that before the industrial era, nobody slept 8 hours in one block. People slept in two parts: they went to bed after sunset, woke up around midnight, stayed awake for 1–2 hours, then went back to sleep. This “split sleep” was normal for thousands of years. But when factories appeared in the 19th century, society forced everyone into one long sleep window — and the body never fully adapted. He said the modern schedule confuses the brain: it doesn’t understand when it should rest and wh