What causes grogginess when you first wake up – what about your brain isn’t working?

Question

What causes grogginess when you first wake up – what about your brain isn’t working?

In: 956

Answer 1

I dont understand it well enough to explain like ur five, but it might be related to something called “cortisol,” which is a chemical humans produce to regulate ourselves. It takes a little bit of time after waking up for us to be producing cortisol in a high enough amount to feel awake.