Question

We sleep so that ............​

Answer 1

Answer:

What do we want to do ?

I really don't understand..........

Answer 2

For decades, scientists have been trying to figure out why, exactly, humans need to sleep so much. And after all this time, no one knows for sure. But there have been a variety of interesting hypotheses proposed.

Some researchers think that sleep helps restore our bodies. Others have suggested that it clears out toxins from our brains. Still others have suggested we evolved to sleep so much in order to hide from predators.

These hypotheses aren't mutually exclusive. It's entirely possible that many of them are true and that over time, sleep has come to provide many functions. But why we sleep is a crucial question — figuring it out might someday help us understand why it's so important to get enough (or, alternatively, help us develop drugs that let us go without).