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The oldest known bed is about 77,000 years old.

The oldest known bed is about 77,000 years old.

Scientists found it in a cave in South Africa. People made it from soft grasses and leaves.

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A pillow keeps your head level with your body as you sleep. A pillow keeps your head level with your body as you sleep. Blankets keep you warm by trapping your own body heat. Blankets keep you warm by trapping your own body heat. We sleep to help our bodies grow and our brains rest. We sleep to help our bodies grow and our brains rest. Beds are raised off the floor to keep you cosy and warm. Beds are raised off the floor to keep you cosy and warm. You dream most when your eyes move quickly under the lids. You dream most when your eyes move quickly under the lids.