[FREE EXCEL COURSE] Lesson 8 - Number Formatting in Excel

Excel: Understanding Number Formats

Excel Number Formats Explained

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Magnus & Hikaru - How far can you calculate? 🧐

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