Question

Why do we get tired?? ​

Answer 1

Answer:

HERE IS UR ANSWER...

Explanation:

When our bodies need sleep, especially if we don't get enough sleep or we stay awake for long periods of time, sleep-like brain signals “creep” into our waking brain signals, he said. ... So, when our eyes see light, our brain gets signals that make us feel awake. But when its dark, the signals make us feel tired.

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Answer 2

Answer:

as we do more and more work