Should I co-sleep with my kid? Should spouses have separate beds? Around the world, the answers change.
For some, sleep brings inspiration. For others, it's wasted downtime.
From Vincent Van Gogh to Groucho Marx.
One Western writer finds solace, contemplation and friendship in the dark nights of Mongolia.
Once early man came down from the trees and slept on the ground, they learned how to dream. And everything changed.
Dozing consumed Descartes' time and thoughts, and may have shortened his life.
Is there any room for Freudian dream interpretation in today's scientific world?
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