Blue light in particular has frequently been singled out as a leading cause of sleep deprivation.Īctually, having too much white and blue light in your bedroom is bad for your health. We've all been told that any form of light (natural or artificial) can impact our sleep. Light plays a significant role in our sleep cycle. Having a good night's sleep is super important for your overall well-being. You can find out how to avoid them below. These cookies and other technologies capture data like your IP address, when you viewed the page or email, what device you were using and where you were. We use various advertising partners, including Amazon, Facebook, and Google. These cookies are used to track your activity on the BenQ website and other websites across the Internet, help measure the effectiveness of our advertising campaign and deliver advertisements that are more relevant to you and your interests. See list of performance and advertising cookies ![]() To opt-out of Hotjar collecting data, you can disable tracking completely by following link:. To opt-out of SessionCam collecting data, you can disable tracking completely by following link:. ![]() To opt out of certain ads provided by Google you can use any of the methods set forth here or using the Google Analytics opt out browser add-on here. You can control the information provided to Google, SessionCam and Hotjar. If you want to opt-out of advertising cookies, you have to turn-off performance cookies. We also use Google Analytics, SessionCam and Hotjar to track activity and performance on the BenQ website. ![]() These cookies help to improve the performance of BenQ. In other words, the higher the CRI, the more attractive and vibrant your lighting objects will be.Performance cookies and advertising cookies In general terms, CRI measures a light source's ability to show object colors "realistically" or "naturally" under an artificial white light source compared with sunlight. 5.What is CRI (color rendering index)?ĬRI is the acronym for color rendering index, and you can usually see it when browsing some lighting bulbs and fixtures. For a well-designed clip-on book light, reaching more than 150 lumens is a common practice to light up the entire bedroom, not only for book reading. Hence, consumers usually use clip-on book lights as fixed bed reading lamps or a reading light clipping on the bed headboard. Clip-On Light: The clip-on book light requires more lumens.Because they generally have bigger sizes and heavier weights. 15 lumens are preferable when choosing a book reading light for kids when reading before bed. Therefore, the light has to be soft, gentle, and eye-caring for kids. Book Light for Kids: Children are commonly perceptive to strong lights when reading, especially using a book reading light due to some reading before sleep. It is widely used for reading in bed before sleep with the special amber mode. The soft and gentle amber light will stimulate your body to produce more melatonin naturally. Amber Book Light: As for the amber light, 20 lumens are commonly preferred. For instance, 60 lumens enable you to see the stitches and patterns clearly, even with brunet yarns with 60 lumens, you can also read in bed before sleep. Neck Light: 60 lumens will be bright enough for the neck reading light. You might need different book lights in various reading environments depending on your needs. The brightness level of a book light associates closely with the lumen. Lumens are now a new way of knowing how bright a lamp or a book reading light is. ![]() Lumen measures the total quantity of visible light emitted by a source per unit of time. 4.What is the suitable lumen for each type of book reading light? Watts do not tell you how bright the bulb is, but lumens do. Watts refers to how much energy the light bulb uses, while lumen indicates the light bulb's brightness or the light output of a light bulb. Lumen and watt measure different things for sure. 3.What is the difference between lumen and watt? The lower the color temperature, the yellower the light the higher the color temperature, the whiter the light. In layman's saying, color temperature signifies a way of describing a light source's warmth or coolness color features. The numerical values can be indicated as degrees Kelvin, noted by the symbol K. 2.What is color temperature?Ĭolor temperature refers to a system using numerical values to measure the color characteristics of a light source on a spectrum ranging from warm to cool colors. Specifically, it’s an electric light that sheds light on your reading material for people who want to read at night, do some reading in a darker environment, or even do some knitting, a suitable book light may come in handy. Reading light is generally referred to as a book reading light.
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