Tortoise at the top of the bed is believed to help prevent anxieties associated with sleeping and insomnia; it will also calm children who are afraid to sleep in their own bedrooms. This Chinese charm will provide the beholder with guardianship during sleep, repressing negative energy and nightmares. Display the Tortoise in the North Sector of your home, office or work place – according to Feng Shui Bagua 8 Life Aspiration formula, this sector watches over your Career Luck.