Portrait of Owen Blackwell, JavaSleep contributor
JavaSleep Contributor

Owen Blackwell

15 pieces published
A close-up macro photograph of a fingertip pulse oximeter glowing in the dim blue…
Sleep Apnea July 2026 · 4 min

Obstructive Sleep Apnea Treatment: One Airway, Many Doors

The pulse oximeter clipped to my finger recorded a number I did not want to see. At 3:14 a.m., my blood oxygen had dropped to 84 percent. Twelve seconds later it climbed back to 96.

By Owen Blackwell · Read →
A candid photograph of an office worker slumped slightly at a modern desk in…
Circadian July 2026 · 10 min

Postprandial Somnolence: Why Lunch Makes You Sleepy, in the Order It Actually Happens

You finish lunch, sit back down at your desk, and within forty minutes the screen starts to blur. You've probably been told why: blood rushes from your brain to your gut to handle the meal, and your…

By Owen Blackwell · Read →
A photorealistic image of a pregnant woman asleep in a dimly lit bedroom, lying…
Sleep Apnea June 2026 · 5 min

Sleep Apnea in Pregnancy: Three Trimesters, Compared by What Actually Goes Wrong

A pregnant woman snoring is one of those things the culture has decided is harmless and a little funny. Partners mention it the way they'd mention a craving.

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A dimly lit bedroom at 2 a.m., a CPAP machine sitting on a nightstand…
Sleep Apnea June 2026 · 9 min

What Actually Happens After a Sleep Apnea Diagnosis (and What the Pamphlet Won't Tell You)

There is a number on the report. For obstructive sleep apnea it's called the AHI — the apnea-hypopnea index — and it counts how many times per hour your breathing stopped or shrank past a threshold…

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A serene early-morning bedroom scene captured in soft natural light filtering through sheer linen…
Sleep Science June 2026 · 5 min

Do Women Really Need More Sleep Than Men? What the Sleep Biology Actually Says

There is a number that gets passed around like a fact: women need 20 extra minutes of sleep a night. Sometimes it's framed more dramatically — women need more sleep because they use their brains…

By Owen Blackwell · Read →
Photorealistic medical macro photograph capturing the quiet stillness of central sleep apnea: a person…
Sleep Apnea June 2026 · 5 min

I Followed One Breath Through a Brain With Central Sleep Apnea

If you have been told you have central sleep apnea and you assumed it was a milder, or perhaps a deeper, version of the snoring-and-choking condition your spouse has, the single most useful correction…

By Owen Blackwell · Read →
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Sleep Apnea May 2026 · 4 min

Your Sleep Quality Assessment Is Already Happening — You Just Aren't Reading the Results

Most people get a sleep quality assessment every single morning and throw it away before breakfast. It arrives as a feeling — the gray, underwater sensation of waking unrefreshed, the third snooze…

By Owen Blackwell · Read →
A close-up photorealistic portrait of a middle-aged man lying on his back in bed…
Sleep Apnea May 2026 · 5 min

The Stuffy Nose Nobody Warned You About: Nasal Congestion and Sleep Apnea Therapy

You bought the machine to breathe better at night. Three weeks in, you wake up with a nose so blocked you could pack it for shipping.

By Owen Blackwell · Read →
Photorealistic close-up portrait of a middle-aged man just waking up in bed, eyes barely…
Sleep Apnea May 2026 · 10 min

Morning Headaches and Sleep Apnea: When the Pain in Your Skull Is a Signal from Your Airway

There is a specific kind of headache that arrives with consciousness. You open your eyes, and before your feet hit the floor, you can already feel it: a dull, bilateral pressure across the forehead or…

By Owen Blackwell · Read →