At the University of Montreal's Dream Engineering Lab, scientist&nbsp;Michelle Carr&nbsp;works through the night trying to better understand why we dream&nbsp;– and especially why we experience nightmares. She says we too often dismiss bad dreams as "just dreams," when they're actually real experiences with real effects. Carr joins Piya Chattopadhyay to discuss the latest developments in sleep science, and how we have more control over our dreams than we may think.

Oil shocks, Disappearing dining rooms, Youth social media bans, Planet Money

Smart takes. Surprising finds. Piya Chattopadhyay helps you understand the important stories with people who know them best, and goes deep with newsmakers and game changers.On Sundays, you'll get the context and forces behind the headlines.On Wednesdays, you'll learn more about the people shaping our culture, and discover something new.So whether you want to understand the world, or escape it for a while, we've got you covered.Catch live and on-demand broadcasts at https://link.mgln.ai/iUSF6q.