Unravel the profound mysteries of sleep with this captivating journey into sleep science. Discover the visionary scientists, like Nathaniel Kleitman, who braved extreme experiments, including the famed Mammoth Cave study, to unlock the secrets of our most mysterious third of life. This book vividly chronicles their bold leaps in understanding human body rhythms. Essential reading for science enthusiasts, students of neuroscience, and anyone eager to comprehend the hidden world of sleep.