CrowdScience

By BBC World Service

What's CrowdScience about?

We take your questions about life, Earth and the universe to researchers hunting for answers at the frontiers of knowledge.

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Why do I get sleepy?

11.08.2019

We’re all familiar with the sensation of sleepiness – heavy eye-lid, that warm, fuzzy feeling. But, one CrowdScience listener wants to know, what’s actually going on in our body and brain when tiredness takes over? Presenter Marnie Chesterton takes up ...

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