How are poe's ideas of dreams similar on "dreams" and "a dream"

Edgar Allan Poe prefers his dreams and even nightmares than the cold reality of life based on his poem. Desperation of a lost love was also evident in this piece of literature. He also concluded that dreams bring more joy than hope.

from here, in Bridgeport. And he had regular parents, a mother and a father. But not

for long. One day his parents left him with a sitter and took the P & W high-speed

trolley into the city. On the way back home, they were on board when the P&W

had its famous crash, when the motorman was drunk and took the high trestle over

the river at sixty miles an hour, and the whole kaboodle took a swan dive into the

water. And just like that, Maniac was an orphan. He was three years old.