A healthy circadian rhythm and optimal peaks and dips of cortisol are crucial for helping you fall asleep by your target bedtime, stay asleep throughout the night, and wake up in the morning with energy. In order to feel and perform optimally during the day, your body needs deep, restorative sleep. In fact, it is only during sleep that the mind and body are fully able to cleanse, recover, and restore. Bottom line: a better sleep cycle leads to more optimal overall health. Learn more here.