The Guardian – Jessa Gamble
“Sitting at a desk, reading a textbook may feel like one of the least physical activities you can undertake, but the results of your studying depend on numerous biological factors, including your body clock. Learning and intellectual performance are firmly tied to the body’s internal time. Planet Earth’s rotation – once every 24 hours – is deeply ingrained into human physiology, and each internal process, from digestion to muscle strength, waxes and wanes on a cycle called a circadian rhythm. A master clock in the brain maintains these rhythms and stays attuned to the time outside using morning daylight.”(more)