Portrait of Thomas Greenwood, JavaSleep contributor
JavaSleep Contributor

Thomas Greenwood

29 pieces published
Close-up portrait of a person's face in a darkened bedroom, the cool blue glow…
Sleep June 2026 · 9 min

The Best VR Accessory for Your Quest 3 Might Be the One That Lets You Stop Wearing It

The most useful thing you can buy for a Meta Quest 3 is not a better controller or a louder pair of strap-mounted speakers.

By Thomas Greenwood · Read →
A moody, intimate nighttime photograph of a dimly lit bedside scene: a single half-full…
Sleep June 2026 · 5 min

A Nightcap and Sleep Apnea: Why the Drink That Knocks You Out Makes Your Airway Worse

A drink before bed helps you sleep. Most people believe some version of this, and they are not crazy to.

By Thomas Greenwood · Read →
A photorealistic nighttime scene in a softly lit child's bedroom, captured at eye level…
CPAP June 2026 · 4 min

CPAP for Pediatric Sleep Apnea: What Most Parents Do, What the Evidence Says, and What Actually Works at 9 p.m.

There is a particular silence in a house where a child has just been prescribed CPAP. The machine arrives in a box. It hums.

By Thomas Greenwood · Read →
A photorealistic interior shot of a dome tent at night, illuminated softly from within…
CPAP June 2026 · 6 min

CPAP Batteries and the Quiet Math of Camping With Sleep Apnea

Search any camping forum for sleep apnea and you'll hit the same number within three posts: 100 watt-hours.

By Thomas Greenwood · Read →
A photorealistic close-up of a modern white CPAP machine resting on a dark wooden…
CPAP June 2026 · 6 min

The Air Quits Before the Patient Does: A Mechanical Look at Sleep Apnea Treatment Compliance

The number you'll hear is 50 percent. Roughly half of people prescribed CPAP for obstructive sleep apnea aren't using it well a year later.

By Thomas Greenwood · Read →
A photorealistic close-up of a modern CPAP machine resting on a wooden nightstand in…
CPAP June 2026 · 5 min

CPAP Therapy and the Four-Hour Number Nobody Explained to You

Somebody — a sleep tech, a pamphlet, the respiratory company that dropped off your machine — told you the number. Four hours a night, five nights a week.

By Thomas Greenwood · Read →
A close-up photorealistic photograph of a man in his late thirties lying awake on…
CPAP June 2026 · 6 min

I Spent Six Weeks Chasing a Sleep Apnea Cure. Here's What Actually Worked.

The question I typed into a search bar at 2 a.m., after my third night of waking up gasping, was simple: can sleep apnea actually be cured, or am I signing up for a machine for the rest of my life?

By Thomas Greenwood · Read →
A dimly lit bedroom captured in the quiet pre-dawn hours, an empty unmade bed…
Insomnia May 2026 · 6 min

Sleep Hygiene Is Mostly One Number: What "Stimulus Control" Actually Does

There is a number behind good sleep hygiene that almost no one quotes, and it is more useful than anything you've read about blue light.

By Thomas Greenwood · Read →
A close-up still life photograph of a modern CPAP machine on a wooden nightstand…
CPAP May 2026 · 6 min

Three Ways to Stop CPAP Therapy Rainout: A 14-Night Comparison

Rainout is the small indignity nobody warns you about when you start CPAP therapy. The humidifier does what it's supposed to — softens the air, keeps the back of your throat from cracking like drywall…

By Thomas Greenwood · Read →