In modern brain science another theory is that a dream is a type of replay of things the brain is busy with and allows for fine-tuning of it. Like when you lea

In modern brain science another theory is that a dream is a type of replay of things the brain is busy with and allows for fine-tuning of it. Like when you learn something and it's better the next day. If it's just a brain region which has to be awake for the rem sleep to do what it does, it can also be a compensation mechanism. I'm not following the idea that energy has to dissipate. The firing origin is not some electricity which needs to discharge,