Red Light
TopicHeard in 1 episode across 1 show since Jul 2026
Red light is electromagnetic radiation located at the long-wavelength end of the visible spectrum, typically ranging from approximately 620 to 750 nanometers. It has the lowest frequency and energy of any light visible to the human eye, bordering invisible infrared radiation. Red light is widely utilized in various applications, including traffic signals, night-vision preservation, and photobiomodulation therapies.
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Public PodLume episodes featuring it, over the last year.
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| Month | Episodes |
|---|---|
| Nov 2025 | 0 |
| Dec 2025 | 0 |
| Jan 2026 | 0 |
| Feb 2026 | 0 |
| Mar 2026 | 0 |
| Apr 2026 | 0 |
| May 2026 | 0 |
| Jun 2026 | 0 |
| Jul 2026 | 1 |
| Aug 2026 | 0 |
| Sep 2026 | 0 |
| Oct 2026 | 0 |
What experts have said about Red Light
3 statements · 2 positive · 1 neutral
Red light can penetrate approximately eight centimeters into the body.
“it can go about eight centimeters into the body, red light.”
Open the episode · Andrew Huberman: The Real Reason You Can't Get Deep Sleep & Wake Up ExhaustedListen at 14:47
Red light is recommended when staying awake during the biological night.
“Use red light.”
Open the episode · Essentials: Sleep Toolkit for Optimizing Sleep & Sleep-Wake TimingListen at 37:58
Red light can support safe nighttime activity without apparently disrupting normal cortisol rhythms.
“using red light has been shown to allow people to be awake enough and obviously see what they need to see in order to perform their activity safely. But it does not seem to disrupt the cortisol rhythm”
Open the episode · Essentials: Sleep Toolkit for Optimizing Sleep & Sleep-Wake TimingListen at 38:16
Statements are attributed to the speaker as said on the episode and reflect their view at the time, not PodLume's. They are not advice.
Episodes
1 episode featuring Red Light, newest first
