also speeds up their metabolisms. While they sleep, their bodies are working overtime, burning through the brain’s supply of energy-giving glucose.
What causes insomnia? - Dan Kwartler
How native speakers pronounce “overtime”
1 example from real videos — listen, replay, loop.
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also speeds up their metabolisms. While they sleep, their bodies are working overtime, burning through the brain’s supply of energy-giving glucose.
What causes insomnia? - Dan Kwartler