Although it has a long life, it is the tree of cemeteries. Its image has to do with death, but also with eternity. It symbolizes the passage of time, death, and the beginning of perpetual existence. It represents the transition from the physical life (perishable) to the spiritual life that lasts forever. In the Middle Ages, it was considered a sign of welcome. A pilgrim who felt well taken care of in a monastery would plant a cypress at the entrance, so other pilgrims could tell that in that place they would be welcome. Thus, we can say that its symbolism is very complex.
Gallery of dreams
Some people can recognize dreams while sleeping; this type of dream is called lucid dreaming. Most of the people would have experienced this type of dream atleast once in their life. You can actually control these dreams. One of the popular dreams that most of us experience is as flying in the sky; you can try lucid dream by imagining your house beside the flying aid.
Body reactions during sleep
Most of us must have experienced hallucinations or night mares. When we experience such dreams we are unable to move or react. This stage is referred to as sleep paralysis. This type of dream occurs in between wakefulness and REM. As it occurs during the REM stage, it causes complete muscle weakness preventing the individual reacting to the dreams.