Smart lighting products from Holi help you party harder and then sleep sounder

French lighting manufacturer Holi showed off its smart lighting solutions at CES this week. The company's SmartLamp is designed to transform a room's décor with colored lighting that can be synchronized with music--just the ticket for a home dance party--while its SleepCompanion light bulb helps you get a more restful night's sleep. The SleepCompanion smart light bulb and smartphone app adjusts to the time of day in order to align itself with your circadian rhythm. By mimicking sunset and sunri...