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Brennan Linsley / AP

The glow of the tech in our bedrooms cuts through the darkness and tricks our brain into thinking it's daytime, the Houston Chronicle's Jenny Deam writes on the front page:

  • "Just by slapping on a pair of cheap orange sunglasses a few hours before bedtime while still using their regular devices, .. melatonin levels [for participants in a University of Houston study] shot up by 58 percent. Melatonin [tells your brain] it's time to sleep."
  • "By simply shifting the visual hue from blue to orange (think sunset), the group reported drifting off earlier and more easily, plus staying asleep longer. Most added about a half-hour to their sleep total; one volunteer caught an extra hour and a half."

Why it matters: 1 in 3 of us report being sleep-deprived.

Go deeper

Updated 1 hour ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Health: Hospital crisis deepens as holiday season nears.
  2. Vaccine: Moderna to file for FDA emergency use authorizationVaccinating rural America won't be easy — Being last in the vaccine queue is young people's next big COVID test.
  3. Politics: Bipartisan group of senators seeks stimulus dealChuck Grassley returns to Senate after recovering from COVID-19.
  4. States: Cuomo orders emergency hospital protocols as COVID capacity dwindles.
  5. Economy: Wall Street wonders how bad economy has to get for Congress to act.
  6. 🎧 Podcast: The state of play of the top vaccines.
2 hours ago - Health

First blood test to help diagnose Alzheimer's goes public

Photo: Jerry Naunheim Jr./C2N Diagnostics via AP

A non-COVID medical breakthrough: People over 60 now have access to a blood test for Alzheimer's disease.

Why it matters: The existing PET brain scan test costs some people about $5,000 and often isn't covered by insurance, AP reports.

Updated 2 hours ago - Politics & Policy

Wisconsin, Arizona certify Biden's victories

Photo: Demetrius Freeman/The Washington Post via Getty Images

Arizona and Wisconsin officials confirmed the presidential election results in their states, formalizing President-elect Joe Biden's victories in the key battlegrounds.

Why it matters: The moves deal yet another blow to President Trump's efforts to block or delay certification in key swing states that he lost.