Jon Kabat-Zinn said this quote

The virtues of getting up early have nothing to do with cramming more hours of busyness and industry into one's day. Just the opposite. They stem from the stillness and solitude of the hour, and the potential to use that time to expand consciousness, to contemplate, to make time for being, for purposefully not doing anything. The peacefulness, the darkness, the dawn, the stillness - all contribute to making early morning a special time for mindfulness practice.