Why We Sleep: Unlocking the Power of Sleep and Dreams

It was in 1729 when French geophysicist Jean-Jacques d’Ortous de Mairan discovered the very first evidence that plants generate their own internal time. It was a revolutionary discovery: de Mairan had shown that a living organism kept its own time, and was not, in fact, slave to the sun’s rhythmic commands. Evidence discussed in this book, such as the harmful effects of LED-emitting devices at night, proves this to be true.