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Dim Incandescent or Halogen Bulbs
Dim incandescent or halogen bulbs to preserve infrared output while reducing visible brightness; this may help bulbs last longer and, in the evening, may avoid melatonin disruption. A dimmed halogen lamp can also be used in the evening without strongly disrupting circadian rhythm.
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“Put a dimmer switch on the incandescent light bulb. Even though it appears dim to you, still producing loads of infrared light because it's getting warm... And if you dim it down, it's not going to alter your melatonin level circadian rhythm.”
huberman · Dr. Glen Jeffery: Using Red Light to Improve Your Health & the Harmful Effects of LEDs · Dec 1, 2025 · 1:52:35 · open ↗
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