Читать книгу The Art of Sleeping: the secret to sleeping better at night for a happier, calmer more successful day - Rob Hobson - Страница 27

28 e modern human is thought to have originated just north of the equator in Africa, which is a region that has a constant 12 hours of daylight, and research has shown how evolution has impacted on our body clock. As humans migrated into a range of latitudes, they became exposed to variations in the length of daylight, which is thought to have influenced their biological clocks. ese rhythms are ingrained in us and make up the very fabric of our being. Wherever you live, the processes in your body are driven by the basic fact that every 24 hours the Earth pirouettes on its axis, creating a fixed pattern of sunlight and darkness. e knowledge that this clock keeps on ticking regardless of what’s going on in our lives is quite comforting. Under normal circumstances, the biggest energy dips happen in the middle of the night (somewhere between 2am and 4am) and just aer lunchtime (around 1pm to 3pm), which is when many people crave a post-lunch nap. However,