Read this if you're afraid of "death".
You can't have an experience of nothing. I don't think it works that way. Everything that exists in the universe belongs to a single entity known as everything. From the tiniest speck of dust to the biggest star in the Galaxy, we all belong to the same thing, we are the same thing, we are everything.
As humans, we are illusioned into thinking that anything outside the body is something we are not. This is not true. Just because you can't experience it, it doesn't mean you are not apart of it.
We as human beings are the way the universe can sense itself and know it exists. The Sun doesn't need to know it exists since that's what humans do. The same way we don't need to be a star, stars already do that.
Look at your hand. Does it know it exists? No. Your mind does though. Your fingers don't need to smell, see, hear, and think, because your nose, eyes, ears and mind do those things.
Our mind hides us and shuts us out from all the things that aren't our mind and body. Just because you can't control it with your mind and body, it doesn't mean it isn't apart of you.
You know, sentience and conscience isn't the only thing that exists in the universe. All the meteors, all the planets, all the stars and all the men in the universe are the same thing: Everything.
Humans can only experience it once at a time, from a single, feeble entity.
Dead or alive, it doesn't matter. I will always be apart of the universe, so long as something exists.
If Mars were to get hit by a meteor that shattered it into a million pieces, it wouldn't care, and neither would the meteor. No hard feelings, no feelings at all. The concept of Mars may be gone, but it's shattered, meteoric pieces still remain for an eternity.
The meteor and Mars were and are the same thing: Everything.
So, when you die, you don't get trapped in a pitch black room for an eternity. Death is only the instrumentality of your body, don't worry.
If we are everything, then that means we are also the chemical spark of conscience within everybody's head. After death, we will assimilate instantly into everything, including one out of many billions of human brains that tricks itself into experiencing existence through one human lense.
TL;DR: Death is like going to sleep and never waking up, yet, birth is like waking up from an endless sleep.
youtube.com/watch?v=mMRrCYPxD0I