Isabela Granic, Ph.D. and Marc Lewis, Ph.D. :: Authors

Home » Authors » Isabela Granic, Ph.D. and Marc Lewis, Ph.D.

Isabela Granic, Ph.D. and Marc Lewis, Ph.D.

Isabela Granic, Ph.D., and Marc Lewis, Ph.D., are developmental psychologists in Toronto and parents of 4-year-old twins. Their book Bedtiming: The Parent’s Guide to Getting Your Child to Sleep at Just the Right Age (The Experiment) walks parents through the stages of development up to the age of 4 and reveals the windows during which sleep-training methods are most likely to succeed.

Articles by Isabela Granic, Ph.D. and Marc Lewis, Ph.D.

Putting Sleep Problems to Bed Knowing when to sleep train kids is more important than how.