Namaste all..
First of all sorry if this question already asked...
I am curious about which is better, either dream (swapna awasta) or dreamless sleep (sushupti)..

I heard many different opinions.. With help of dreams sometimes we get to know many things, we can control dreams and it is also count as some sadhna.. Some people can see future and see some unusual things by controlling dreams..
Some says if you are watching dream then it's mean your mind is still going.. You are not calm.. So it's not good.


About deep sleep then some says deep sleep is so near to samadhi.. Only the difference is deep sleep is unconscious.
In deep sleep we are not thinking.. There is no mind. And we are so near to our self or turiya, deep sleep is like small death..
While some says that deep sleep means tamo guna is dominant!

So can someone explain which state is superior or both same, if same then which is more important in which situation or part of sadhna?
I posted this in Upanishad section cause I think there is written about this States in mandukya Upanishad..

Pranam