Blue light at night can be very disruptive to sleep because they suppress melatonin production. That's why we removed these wavelengths from our Wind Down bulbs and Get In Sync fixtures (when dimmed to the low setting). Even the sun emits blue light wavelengths during the day, which is beneficial to energy, alertness and feeling awake. So, we don't recommend blocking blue light. Instead, we recommend exposure to blue light for specific times of day.
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