A Tortoise at the top of the bed is calming and will prevent anxieties associated with sleeping and insomnia. * In Chinese mythology, while the Crane is believed to be able to live at least one thousand years feeding only on water, the Tortoise is even more impressive. * it can survive three times longer than a that It is for this reason that it is a huge symbol of longevity, and is highly sought after by many who wish to live long healthy lives. * The Tortoise is also a feng shui representation of protection and immunity to bad intentions, due to the fact that it comes with the Lo Shu square, which is the foundation of all Feng Shui theories.