The hall is the center of a house. If you go through one in a dream, it represents the start of an exploration of the self. Dreaming of a large and long hall foretells a period of preoccupation.
Improving memory can be done in a number of ways, and one of those is by having a good night's sleep. During sleep, your mind is still busy and going through the process of consolidation, where it strengthen your memories as well as the "practice" skills, which you have learned while you're awake. According to the associate professor at NYU Langone Medical Center, Dr. Rapoport says that something happens while we are all sleeping, and it helps us learn things better. Thus, if you're trying something new, you can perform it better right after you sleep.
Quality of Life
Most of us know that sleep can greatly affect the quality of life. There are just a lot of things that can easily affect our sleep. Thus, if you sleep better, you can live better. An 8-hour sleep is the recommended time for people to always have every day.