Understanding Sleep Cycles and Healthy Sleep Habits

The chapter explains the different stages of sleep, emphasizing the importance of deep sleep and REM cycles for physical and mental restoration. It debunks the idea of a one-size-fits-all sleep duration and discusses the variability in sleep needs among individuals, recommending a range of seven to nine hours for healthy adults. The impact of napping, caffeine, and misconceptions about making up for lost sleep are also addressed, along with strategies for improving sleep hygiene and recognizing cues for winding down before bedtime.