Sleep. What is sleep. How do we sleep. Is it suspended animation. Sharks don't sleep. I just woke up, came back to 'life' How do you understand it?

We take 'sleep' as a natural function of living. I don't sleep soundly at times, and at times take sleep additives. How do you sleep? How do you understand how we sleep, and what the physical process is?

I am 'awake' now, barely, and COULD go back to sleep'.

What do you understand about sleeping?

Sleep. What is sleep. How do we sleep. Is it suspended animation. Sharks don't sleep. I just woke up, came back to 'life' How do you understand it?
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