I always have nightmares or tired dreams every day. I just dreamed that a black dog's eyes suddenly turned red and was scared out in a cold sweat. What does this portend?

It's just a dream, Conan. Dreams are false, don't take them seriously.

There is a book called Duke of Zhou, which mentions that dreams and reality are often opposite, which means that it can't happen in real life.

I think it's just that I accidentally pressed my arm to my chest when I was sleeping, which pressed my heart, and then the lack of blood supply to my brain led to brain activity, which is often called dreaming.

Scientific research shows that dreams are visual activities caused by various stimuli inside and outside the human body or external stimuli left in the brain during sleep.

In other words, dreams have no meaning, no meaning, and are not a sign.

At best, it only means that you didn't have a good rest last night, which means that you didn't sleep well as the saying goes.

Maybe, I just woke up during the day and left a memory in my mind.

Yes!

A word for you: live today, tomorrow will be better.

I hope I can help you and have a good day.