"The natural state of the human mind is asleep, idling so to speak. Wakefulness only occurs when there is sufficient input to alert us from this dream."
There's more out there than Goodnight Moon.
We're not the only ones in our household that toss, turn and run around in their sleep.
Their psychological well-being could depend on it.
The narrator of the world-famous podcast discusses life on the road and the beauty of sleeping in.
Looking back at the year's most important sleep discoveries.
The human condition is wide and varied, and so are our dreams.
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