Our eyes are marvelous things. We can go seamlessly from shade to sunshine, from moonlight to full sunlight, with rapid adjustment. What we don't know or feel, is just how different the actual light intensities are in those different environments. What seems to us a little brighter, or a little darker can actually be a thousand times brighter or more. We completely underestimate the differences in light exposures around us, and that's why it's hard to attribute any importance to light exposure on our sleep at all - because we simply can't feel it.
While we can't consciously feel it, our eyes and brain are actually supremely sensitive to light, and measure it precisely. Even a little bit of light in the morning is enough to tell our body that it's wake-up time, and even a little bit of light at night can keep us up for ours.
What does all of this mean for baby's sleep? If we want baby to feel tired during the night, we need to exclude all light sources from baby's environment, except Kulala light, which has been designed to only emit only safe hues that are not felt by our bodies. In the morning, only blackout shades can prevent sunlight - not matter how little - from waking baby up.
By using the power of light to our advantage, we can naturally instruct baby to sleep at night.
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