Human Design Is Blowing Up. The astrology-like system uses birthdates to break people into personality types and even find love and riches. From sleeping arrangements to diets, some are taking it very seriously. Travis Day regrets being so strict with his ex-partner about never sleeping in the same bed. According to human design, the New Age "synthesis" of astrology, the I Ching book of Chinese wisdom, Kabbalah, and the chakra system, "everyone should sleep in their own bed at night" to preserve their auras, says the blond 38-year-old Los Angeles county-based surfer, who's been following the practice rigidly for the last five years.