“The greats - they protect their sleep because it's where the best work comes from. They say no to things. They turn in when they hit their limits. They don't let the creep of sleep deprivation undermine their judgment.”

American marketer and author

Ryan Clark Holiday is an American marketer and author. He became known for presenting Stoicism as a practical philosophy for modern life, especially through the teachings associated with the Roman emperor Marcus Aurelius. His work centers on making Stoicism accessible to contemporary readers and on marketing ideas about disciplined, reflective living. He is known for promoting that tradition in a way that connects ancient philosophy with present-day concerns.