Blue-light blocking glasses
Amber lenses worn in the evening: popular, and genuinely contested
Tinted glasses worn for a few hours before bed, to cut short-wavelength light from screens and overhead lighting. The evidence is mixed, and several researchers in this directory argue that overall light intensity matters far more than color, so dimming the room beats wearing the glasses. Included here because it is widely used and widely debated, not because it is settled.
Who backs it
Sorted by strength of stance
- Dave AspreyDoes it
Biohacker · Bulletproof Coffee
Wears TrueDark glasses, from a company he founded, through every travel day: lighter lenses on daytime flights, full blocking lenses on evening ones so melatonin is not suppressed before landing. If you do one thing from his jet lag list, he says, make it this one.
Source: Dave Asprey blog: How to Avoid Jet Lag: My Non-Negotiables When I Fly“I wear TrueDark glasses through every travel day, and I switch lenses depending on the time of flight.”
Dave Asprey blog: How to Avoid Jet Lag: My Non-Negotiables When I Fly (opens in a new tab) · 27 Nov 2018 - Mark HymanDoes it
Physician · The Dr. Hyman Show · author of Young Forever
Wears blue-blocker glasses in the evening to cut blue light before bed, one of the smaller habits in his nightly routine.
Source: The Doctor's Farmacy: My Personal Longevity Routine - Matthew WalkerDiscusses
Sleep scientist · author of Why We Sleep
Softened his position on blue light publicly, arguing that the alertness a device creates costs more sleep than the color of its screen.
Source: The Drive: AMA with Matthew Walker
Aimed at the same thing
Other entries filed under sleep.
- Gear$$$Mid: Roughly $50 to $500, or up to $50/month.Backed by 4 of 44 stacks: 2 do it, 0 recommend it, 2 have discussed it
- Gear$$$Mid: Roughly $50 to $500, or up to $50/month.Backed by 3 of 44 stacks: 2 do it, 1 recommend it, 0 have discussed it
- Gear$$$Expensive: Several hundred dollars and up.Backed by 2 of 44 stacks: 2 do it, 0 recommend it, 0 have discussed it
- Gear$$$Cheap: Roughly under $50, or under $15/month.
Acupressure mat
A mat covered in plastic spikes, used for 15 to 40 minutes before bed
Backed by 1 of 44 stacks: 1 do it, 0 recommend it, 0 have discussed it - Gear$$$Mid: Roughly $50 to $500, or up to $50/month.
Far-infrared recovery sleepwear
Pajamas woven with a bioceramic print that reflects body heat back as far-infrared
Backed by 1 of 44 stacks: 1 do it, 0 recommend it, 0 have discussed it - Gear$$$Cheap: Roughly under $50, or under $15/month.
Light therapy lamp
Bright artificial light for dark mornings when sunlight is not available
Backed by 1 of 44 stacks: 1 do it, 0 recommend it, 0 have discussed it
Gear entry · notes paraphrased from cited sources, quoted excerpts copied from the transcript they link to. Not medical advice. Not affiliated with, endorsed by, or reviewed by anyone listed. How this works.