Time magazine reported on last January that insomnia is a serious problem. Since 2008, sleep-related expenses have increased by 8. 5% every year. 8. The market reached US $32 billion in 2012. On 2012, 73 of US Internet users will search for health information online, and 43 will specifically look for a good way to sleep. The National Sleep Foundation ( NationalSleepFoundation) Statistics show that only 56 people in the United States said that they can sleep well during the week. To this end, saffron7th issued a smart LED bulb DriftLight, claiming that it can imitate the sunset, gradually darkened and extinguished, giving people a good night's sleep. Gizmodo and CNET reported that the DriftLight bulb has a built-in MIDNIGHT Mode. As long as the switch is pressed twice, the bulb will slowly go out in 37 minutes like sunset. This LED bulb is designed to help people return to the era before the invention of artificial light and find the natural sleep of the human body; The company claims that DriftLight can relax people and increase melatonin secretion to help sleep. This bulb has a luminous mode, which will slowly darken, leaving faint light, suitable for soothing children who are afraid of darkness, or a corridor that needs some light source. The bulb has a built-in microprocessor and does not emit blue light to prevent melatonin secretion. DriftLight also has a daylight mode similar to that of a general bulb, which can be used normally. The new product costs $29. LED bulbs are energy-saving and durable, and now there are new features to help sleep, which will bring good news to insomniacs.