Sleep is not just rest—it’s an active process where our brain cycles through stages that shape cognition, memory, and overall mental performance. Different sleep phases, from deep slow-wave sleep to REM dreaming, play unique roles in consolidating memories, boosting attention, and refreshing brain networks. Explore how sleep cycles work and why they are essential to learning and sharp thinking. […]
Read More… from How Sleep Cycles Affect Cognitive Function and Memory Retention
Before alarm clocks were invented, there was a profession called a knocker-up, which involved going from client to client and tapping on their windows (or banging on their doors) with long sticks until they were awake. It lasted into the 1920s. […]
Read More… from Knockers-up: waking up the Industrial Britain’s Workers in 1900-1941
What makes you sleep? Okay, we know it seems like a simple question with a simple answer, but scientists have yet to completely understand it. In reality, it should have been on our list of the 25 greatest historical mysteries. Researchers have been able to track brain waves and learn a little bit about what goes on in our heads at night using advanced technology for the last few decades. […]