This audiobook is narrated by a digital voice.

Listen to the Summary of Colleen E. Carney & Rachel Manber's Goodnight Mind in 20 minutes. Please note: This is a summary & not the original book. The time you choose for being in bed to sleep must match your body clock type and be regular. If you go to bed much earlier or much later than your clock expects, you will either have difficulty sleeping or experience poor sleep quality...