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Sleep Intelligence ‪🔵‬

@dougwolfgram.bsky.social
2.2K followers 472 following 231 posts

Health-tech data scientist. Math, physics, and science nerd. Creator of PCPaint. And a little bit of liberal politics.

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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 14/09/2026
Three Ways to Fall Back Asleep in the Middle of the Night sleepwizard.substack.com/p/three-ways...
sleepwizard.substack.com
Three Ways to Fall Back Asleep in the Middle of the Night
Waking up during the night is normal.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 23/08/2026
What Your Sleep Data Can Tell You About Why You’re Not Sleeping Well sleepwizard.substack.com/p/what-your-...
sleepwizard.substack.com
What Your Sleep Data Can Tell You About Why You’re Not Sleeping Well
A sleep score might tell you that you had a bad night, but it doesn’t necessarily tell you why.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 11/08/2026
Why Exercise Feels Harder to You After a Bad Night’s Sleep sleepwizard.substack.com/p/why-exerci...
sleepwizard.substack.com
Why Exercise Feels Harder to You After a Bad Night’s Sleep
Have you noticed that a bad night can affect your morning workout?
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Zaibatsu @zaibatsu.bsky.social · 10/08/2026
Hear the Earliest Known Piece of Polyphonic Music: This Composition, Dating Back to 900 AD, Changed Western Music
openculture.com
Hear the Earliest Known Piece of Polyphonic Music: This Composition, Dating Back to 900 AD, Changed Western Music
Like digging for fossils or panning for gold, the research process can be a tedious affair. But for any researcher, long days of searching and reading will eventually result in discovery. These are the moments scholars cherish. It’s the chance discovery, however rare, that makes the long hours and bleary late nights worthwhile. And some finds can […]
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 06/08/2026
Why One Good Night of Sleep May Not Fix a Week of Poor Sleep sleepwizard.substack.com/p/why-one-go...
sleepwizard.substack.com
Why One Good Night of Sleep May Not Fix a Week of Poor Sleep
Sleep debt builds gradually, and your energy, focus, and performance may take longer to recover than you expect.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 01/08/2026
Finding the Right Sleep Apnea Treatment open.substack.com/pub/sleepwiz...
open.substack.com
Finding the Right Sleep Apnea Treatment
Why there is no one-size-fits-all solution
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 10/07/2026
Sleep Dentistry: Why Your Dentist May Be the Key to Better Sleep open.substack.com/pub/sleepwiz...
open.substack.com
Sleep Dentistry: Why Your Dentist May Be the Key to Better Sleep
Dentists spend their careers studying the anatomy of the mouth, jaw, tongue, bite, and airway.
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CalMatters @calmatters.org · 05/07/2026
A new state tool lets you tell data brokers to stop tracking you. Will they comply? Help us investigate. cal.news/44NhuX8 🎨 Gabriel Hongsdusit
An illustration shows a person using a laptop in front of a blurred California privacy website, with yellow pixel-like blocks scattered across the image to suggest digital data. The stylized artwork uses a limited color palette and visual elements that evoke online privacy and information security.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 02/07/2026
What Sleep Monitoring Can Reveal About Your Health7 open.substack.com/pub/sleepwiz...
open.substack.com
What Sleep Monitoring Can Reveal About Your Health7
Oxygen saturation during sleep can be influenced by many different medical conditions.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 28/06/2026
How Sleep Monitoring Can Support PTSD Treatment open.substack.com/pub/sleepwiz...
open.substack.com
How Sleep Monitoring Can Support PTSD Treatment
Objective sleep monitoring adds another dimension to the recovery process.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 12/06/2026
Better Sleep Starts with Better Information open.substack.com/pub/sleepwiz...
open.substack.com
Better Sleep Starts with Better Information
SomnoTrak takes a different approach.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 09/05/2026
Understanding Hypoxic Burden open.substack.com/pub/sleepwiz...
open.substack.com
Understanding Hypoxic Burden
Moving beyond event counts to understand the true impact of oxygen drops during sleep.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 27/04/2026
Why Watching Sleep Trends Matters More Than Any Single Night open.substack.com/pub/sleepwiz...
open.substack.com
Why Watching Sleep Trends Matters More Than Any Single Night
When you start looking at trends instead of individual nights, the data begins to make sense.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 31/03/2026
How Daylight Saving Time Disrupts Your Sleep and Health open.substack.com/pub/sleepwiz...
open.substack.com
How Daylight Saving Time Disrupts Your Sleep and Health
Twice a year, the clock shifts. One hour forward, one hour back. It seems small, but your body disagrees.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 27/03/2026
Why Your Heart Rate Variability During Sleep Matters More Than You Think open.substack.com/pub/sleepwiz...
open.substack.com
Why Your Heart Rate Variability During Sleep Matters More Than You Think
Heart Rate Variability (HRV) has become one of the most talked-about signals in health tracking
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 17/03/2026
3 Ways to Improve Your Sleep While You’re Awake open.substack.com/pub/sleepwiz...
open.substack.com
3 Ways to Improve Your Sleep While You’re Awake
There is no time like the present to get some rest!
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 10/03/2026
open.substack.com/pub/sleepwiz...
open.substack.com
Why do humans sleep?
Most of us never stop to consider
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Reposted by Sleep Intelligence ‪🔵‬
Zaibatsu @zaibatsu.bsky.social · 08/03/2026
UFO spotters once thwarted a secret Soviet nuclear program
unexplained-mysteries.com
UFO spotters once thwarted a secret Soviet nuclear program
During the Cold War, a spate of mysterious sightings ended up exposing a plot to hide nukes from the US. Back in 1967, eagle-eyed skywatchers in the w...
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 03/03/2026
We need this in California.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 09/02/2026
open.substack.com/pub/sleepwiz...
open.substack.com
Why Monitor Your Sleep #2: Sleep Tracking Is About Patterns, Not Bad Nights
Almost everyone has bad nights of sleep.
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Reposted by Sleep Intelligence ‪🔵‬
Zaibatsu @zaibatsu.bsky.social · 11/01/2026
A New Bridge Links the Strange Math of Infinity to Computer Science
wired.com
A New Bridge Links the Strange Math of Infinity to Computer Science
Descriptive set theorists study the niche mathematics of infinity. Now, they’ve shown that their problems can be rewritten in the concrete language of algorithms.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 26/12/2025
Make Better Sleep Your New Year’s Resolution P.S. DM me for a coupon for $75 off! open.substack.com/pub/sleepwiz...
open.substack.com
Make Better Sleep Your New Year’s Resolution
Choosing better sleep is choosing to take yourself seriously.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 14/12/2025
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 12/11/2025
The Hidden Dangers of Unmonitored Sleep open.substack.com/pub/sleepwiz...
open.substack.com
The Hidden Dangers of Unmonitored Sleep
What You Don’t Track Can Harm You
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 04/11/2025
Improving Sleep when you have Severe Respiratory Illness substack.com/@sleepwizard...
substack.com
Improving Sleep when you have Severe Respiratory Illness
Sometimes, simple things provide great relief
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 21/10/2025
Why the “Stress Ratio” So Many Wearables Use Isn’t Scientifically Valid open.substack.com/pub/sleepwiz...
open.substack.com
Why the “Stress Ratio” So Many Wearables Use Isn’t Scientifically Valid
Know the details when monitoring your sleep
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 15/10/2025
open.substack.com/pub/sleepwiz...
open.substack.com
10 Subtle Signs It’s Time to Start Monitoring Your Sleep
It might be time to take a closer look
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 14/10/2025
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 14/10/2025
Good for them!
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 13/10/2025
COPD and Sleep Monitoring: A Practical Example open.substack.com/pub/sleepwiz...
open.substack.com
COPD and Sleep Monitoring: A Practical Example
Monitoring your sleep can have a direct impact on managing COPD
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Zaibatsu @zaibatsu.bsky.social · 12/10/2025
Humans may emit a visible light that disappears upon death
unexplained-mysteries.com
Humans may emit a visible light that disappears upon death
A remarkable new study has indicated that all living things may exhibit a type of 'biophoton' phenomenon. The research, which was conducted by scienti...
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 06/10/2025
Fascinating.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 03/10/2025
The Next Big Trend - Sleep Monitoring open.substack.com/pub/sleepwiz...
open.substack.com
The Next Big Trend - Sleep Monitoring
Knowing the “why” matters.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 27/08/2025
sleepwizard.substack.com/p/sleep-isnt...
sleepwizard.substack.com
Sleep Isn’t Just About Feeling Rested
Sleep is more complex than that.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 26/08/2025
open.substack.com/pub/sleepwiz...
open.substack.com
Hypertension and Sleep Apnea
Mortality trends in the United States
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 23/08/2025
Why is it important to consider sleep monitoring as a part of primary care? open.substack.com/pub/sleepwiz...
open.substack.com
Why is it important to consider sleep monitoring as a part of primary care?
Sleep is often overlooked in primary care, yet it has a deep impact on nearly every aspect of health.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 19/08/2025
Sleep analysis is changing because it affects so many people. sleepwizard.substack.com/p/why-hypoxi...
sleepwizard.substack.com
Why Hypoxic Burden is Better Than AHI for Diagnosing Sleep Disorders
Is HB the new AHI?
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 17/08/2025
SleepWizard's Substack sleepwizard.substack.com?r=55gd67&utm...
sleepwizard.substack.com
SleepWizard's Substack | Doug wolfgram | Substack
I have decided to use this platform to share my knowledge and experiences with sleep management. It is critical for all humans, but especially those with chronic medical conditions such as COPD, Hyper...
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NPR @npr.org · 16/08/2025
The Old Fiddler's Convention in Galax, Va., features mostly amateur musicians playing Bluegrass and Old Time music. At age 89, it's the oldest continuous competition of its kind in the U.S.
n.pr
Old Fiddler's Convention is pushing 90 and keeping mountain music alive
The Old Fiddler's Convention in Galax, Va., features mostly amateur musicians playing Bluegrass and Old Time music. At age 89, it's the oldest continuous competition of its kind in the U.S.
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Reposted by Sleep Intelligence ‪🔵‬
WIRED @wired.com · 12/08/2025
A group of Americans are building a “whites only” community in rural Arkansas they call the “Return to the Land.” They believe that white people and Western culture are facing extinction due to an influx of immigrants and minorities.
wired.com
Inside the ‘Whites Only’ Community in Arkansas
Members have espoused racist and antisemitic views and repeatedly praised Adolf Hitler and the Nazi party. They've raised hundreds of thousands of dollars, and their movement is growing.
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Reposted by Sleep Intelligence ‪🔵‬
Zaibatsu @zaibatsu.bsky.social · 12/08/2025
Artist Draws From Architecture and Biology To Create Ceramic Homes for Bugs To Live in [Interview] #Sculpture #3dprinting
mymodernmet.com
Artist Draws From Architecture and Biology To Create Ceramic Homes for Bugs To Live in [Interview]
Artist Draws From Architecture and Biology To Create Ceramic Homes for Bugs To Live in [Interview] Biology and architecture may seem like two distant disciplines, but in the work of Raphaël Emine, they are an inseparable duo. The French artist creates elaborate ceramic sculptures with organic shapes. But aside from their unique aesthetic, what makes them stand out even more is their purpose. Filled with pathways and rooms, these artworks are […] READ: Artist Draws From Architecture and Biology To Create Ceramic Homes for Bugs To Live in [Interview]
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Reposted by Sleep Intelligence ‪🔵‬
Zaibatsu @zaibatsu.bsky.social · 11/08/2025
After the eruption, people came back to live in Pompeii's ruins
unexplained-mysteries.com
After the eruption, people came back to live in Pompeii's ruins
The site of one of the worst volcanic disasters in human history didn't stay abandoned for as long as you might think. Situated near modern-day Naples...
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Reposted by Sleep Intelligence ‪🔵‬
Reuters @reuters.com · 10/08/2025
Newsom calls Trump's $1 billion UCLA settlement offer extortion, says California won't bow reut.rs/3UowZzL
reut.rs
Newsom calls Trump's $1 billion UCLA settlement offer extortion, says California won't bow
California Governor Gavin Newsom said on Saturday that a $1 billion settlement offer by President Donald Trump's administration for UCLA amounted to political extortion to which the state will not bow.
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 04/08/2025
Good question. Why?
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Reposted by Sleep Intelligence ‪🔵‬
Institute of Art and Ideas @iai.tv · 09/07/2025
Why do imaginary numbers appear at the foundation of quantum mechanics? | iai.tv/video/physic... Join Tim Maudlin as he argues the appearance of complex numbers in Schrödinger’s equation is not arbitrary, but motivated by the need for a wave-like structure in fundamental dynamics. #philsci ⚛️ 🧪
iai.tv
Physics without numbers
Why do imaginary numbers appear at the foundation of quantum mechanics? This question, which puzzled even great physicists like Eugene Wigner, opens up deeper issues about what it means to explain…
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Reposted by Sleep Intelligence ‪🔵‬
Dr. Judith Hubbard @judithgeology.bsky.social · 02/07/2025
⚒️ 🧪 Residents of several tiny islands in Japan's Ryukyu Archipelago have been feeling nearly continuous seismicity for almost two weeks. What do we know about swarms in this area, and what can we expect going forward? earthquakeinsights.substack.com/p/earthquake...
earthquakeinsights.substack.com
Earthquake swarm rattles the Japanese Ryukyu islands
Two weeks of nearly continuous seismicity
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Reposted by Sleep Intelligence ‪🔵‬
Financial Times @financialtimes.com · 30/06/2025
US dollar suffers worst start to year since 1973 on.ft.com/4l7y9vi
on.ft.com
US dollar suffers worst start to year since 1973
Donald Trump’s trade policies and rising debt levels have sparked decline of more than 10% in first half of 2025
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Sleep Intelligence ‪🔵‬ @dougwolfgram.bsky.social · 17/06/2025
This is amazing. www.tiktok.com/t/ZTjnG1R8b/
tiktok.com
When politics becomes your identity you’ll accept just about anything #democrat #liberal
TikTok video by TheDarkLeft
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Reposted by Sleep Intelligence ‪🔵‬
Zaibatsu @zaibatsu.bsky.social · 12/06/2025
Spectacular Landscape Winning Photos from the Artist Gallery Awards 2025
designyoutrust.com
Spectacular Landscape Winning Photos from the Artist Gallery Awards 2025
1st Place: “Golden Ridges” by Gregoire Pansu, France The Artist Gallery Awards 2025 showcases 25 stunning landscape photographs that capture the raw beauty and grandeur of nature. These winning images highlight breathtaking locations, from misty mountains and golden deserts to icy tundras and lush valleys, each telling a unique story of perspective and timing. The […]
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Reposted by Sleep Intelligence ‪🔵‬
Raw Story @rawstory.com · 24/05/2025
A group composed of hundreds of Catholic bishops is ramping up its "war" against Donald Trump and his administration, according to a Newsweek report Saturday.
bit.ly
Hundreds of Catholic bishops ramp up holy 'war' against Trump admin: report
A group composed of hundreds of Catholic bishops is ramping up its "war" against Donald Trump and his administration, according to a Newsweek report Saturday.According to the outlet's weekend article, "The U.S. Conference of Catholic Bishops (USCCB) seems to be battling with President Donald Trump's...
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