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The lamp base has two sliding buttons. One switch adjusts the warmth, from cool white to red light. One adjusts the intensity, from ultra-bright to no-glow. Hard clicks on each button skip ahead, while pressing the toggle down to one side or the other adjusts the light settings ever so slowly – slowly enough that I sometimes wonder at first if that’s even happening.
The maximum brightness is 1000 lumens, which is the approximate intensity of a 75-watt incandescent bulb. At this brightness, the battery lasts about five hours. At lower intensity, this can extend up to twelve hours.
Red shift
Photo: Matthew Corvage
An additional feature I’ve come to appreciate at night is the red light mode. there There’s little evidence that the blue light from your tiny smartphone keeps you awake At night. But many studies Show that blue light wavelengths can affect melatonin levels Hence your body’s circadian rhythm, whereas red light does not.
Red light therapy It is, of course, the field of TikTok as much as it is the field of science, a field in which wild exaggerations live alongside legitimate uses and benefits. For every sleep study that shows red light outperforms blue light when it comes to melatonin levels, there’s another study that shows it does. Red light is associated with “negative emotions” before sleep.
So I can only offer my own experience, which is that the Edge Light Go’s red reading light provides me with a pleasant liminal space between wake time and bedtime, a space that a basic nightstand lamp doesn’t provide. It allows me to lie down in a dark room allowing me to see, read and drift off more easily.
If I fall asleep, the light automatically turns off for 25 minutes, which means I won’t do what I often do, which is drifting off while reading and then waking up, annoyed, to a room full of bright light in the middle of the night.
Caveats and quirks
Photo: Matthew Corvage
However, for all its portability virtues, the Edge Light Go doesn’t feature a heavy enough base to prevent the lamp from tipping over if you bend it forward from its lowest hinge. This can be annoying when trying to use the lamp as a reading lamp from a bedside table or the arm of a sofa.