This is the natural-light-simulating lamp that emits the wavelength of morning sunlight and helps restore a more natural, restful sleep pattern. Many clinical studies show that increased exposure to natural light helps regulate energy levels and moods, and can help re-establish the body’s natural circadian rhythm. This lamp’s diffused LEDs recreate such sunlight by emitting a specific blue spectrum–proven more effective than common household bulbs or most other light therapy devices in numerous studies–that restores sleep patterns faster, with lower risk of eyestrain or headaches. Simply sitting in the lamp’s light for 15 minutes a day–especially within the first few hours after waking up–triggers signals in the hypothalamus (the brain’s regulator of its internal “clock”) that assuage the imbalances that come from shorter amounts of daylight, long work hours, and seasons of limited outdoor activity. The LED bulbs are rated for 10,000 hours of use and produce no harmful UV radiation, nor will they tan or damage skin. Includes clock, built-in timer, carrying case and AC adapter for charging the lithium-ion battery. 5 1/2″ H x 5 1/2″ W x 1″ D. (1 1/4 lbs.)