Mysteries of Sleep Preview
From fruit flies to whales, virtually every animal sleeps. But why? Why do we need to spend nearly a third of our lives in such a defenseless state? Scientists are peering more deeply into the sleeping brain than ever before, discovering just how powerful sleep can be, playing a role in everything from memory retention and emotional regulation to removing waste from our brains.
Previews + Extras
Can Sleep Quality and Quantity be Boosted Using Sound?
S47 E4 - 3m 3s
A neurologist uses carefully-timed pulses of noise to boost the size of brain waves responsible for good-quality sleep—and potentially better memory.
How Sleep Helps Children Learn and Remember New Words
S47 E4 - 4m 22s
To measure the brain’s ability to form completely new memories, researchers teach kids made-up words for novel objects.
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