Ever wonder why you feel wide awake at night or ready to tackle the day before sunrise? It all comes down to your chronotype — your body’s natural rhythm for sleeping, waking, and being productive.
Take our quick, easy Chronotype Quiz to find out if you’re a Lion, Bear, Wolf, or Dolphin. Once you know your sleep animal, you’ll get insights to help you sleep better, boost your energy, and live more in sync with your natural rhythm.
Double board-certified Clinical Psychologist and Clinical Sleep Specialist. Author of the groundbreaking book, The Power of When, and an expert resource for most major publications (Oprah, The Doctors, NY Times, and more).
Sleep Doctor (collectively Sleep Foundation, SleepFoundation.org, SleepApnea.org, and SleepDoctor.com) is not affiliated with the National Sleep Foundation, an independent 501(c)(3) nonprofit based in Washington, D.C. Sleep Doctor and its brands provide comprehensive health information to help people cultivate better sleep. Sleep Doctor does not provide medical advice, diagnosis, or treatment options.
