Question

What is the rate at which brain used energy when we are sleeping

Answer 1

Answer:

Like all the other parts of your body, your brain needs energy to operate. Simon Laughlin, professor in the department of zoology at Cambridge University, explains why the brain needs so much energy, how it uses energy, and how those needs have affected our evolution.

Answer 2

It decreases about 85% of energy uses as compared to the rate of utilisation when not sleeping.

Hope this will help you.