Question

Do we need energy when we sleep why why not

Answer 1

During sleep our bodies does the important job of repair work and cell development, which requires energy. That is why it is suggested not to go tosleep on an empty stomach so that our bodies have a constant source ofenergy to perfom its functions.

Answer 2

Yes, we need energy while sleeping. When we are sleeping then our body does not do heavy work but it do work. We sleep but cell development always going on. For the development of cell we require energy. Most of organs while sleeping keep working. Like Pumping of blood in heart need energy, breathing, respiration etc. So, actions are always performed while sleeping. And we need energy.