A few examples of apps you can download are Twilight (android), Flux (iOS, Mac). So if you need a night light in the bathroom or bedroom, it may be better to have one that gives off red light rather than white light! Why not give it a try at home and experiment on how the change in color makes you feel! Also, make sure to download an app on your wireless devices to emit red light a few hours before bedtime. While total darkness was best, red light was not nearly as bad as the other wavelengths studied. In nearly every measure of this study, the hamsters exposed to blue light were the worst off, followed by those exposed to white light. Cool blue helps with restlessness and sleep disturbances and, finally, red promotes blood circulation and warmth. This is the body’s master clock that helps determine when people feel sleepy and awake. These ipRGC cells are most sensitive to blue wavelengths of light and least sensitive to red wavelengths. The three primary types of color temperature for light bulbs are Warm White (2700K 3000K), Natural White (3500K 4100K), and Daylight (5000K 6500K). Household fixtures are commonly found in color temperatures on the Kelvin scale. These cells are able to detect any light and send messages to a part of the brain that helps regulate the body’s circadian clock. Light color temperature is represented in the unit of absolute temperature, Kelvin, noted by the symbol K. Specialized photosensitive cells called ipRGC’s are located in the retina of our eyes. So why is the color red a better light for at night? However, total darkness at bedtime is still best for sleep. The hamsters exposed to red light at night had significantly less evidence of depressive-like symptoms and changes in the brain linked to depression, compared to those that experienced blue or white light. Yes, blue LED light is good for sleep, also referred to as light therapy that can help re-align your body’s circadian rhythms, which helps improve the quality of sleep. So what is the best color for night lights? The answer will surprise you! The best ambient lighting for the bedroom is a warm white color light between 2200- 2700k or warm white color light, not more than 3000K. However, a new study involving hamsters suggests that blue light had worst effects on mood, followed closely by white light. In the afternoon the lighting will have a high intensity of whiter light providing you with energy. If you have to sleep with a night light on you might think that blue and white lights might create a calming sensation and help you sleep best. As time moves on the color temperature will change.
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