The Journal.
Every essay, review, field note, and interview we've published. New pieces arrive on Tuesdays; full issues close every three months.
Twenty-One Nights With the Apple Watch Series 12: Does Audio Intelligence Know Why You Wake Up?
The Apple Watch Series 12 has been on my left wrist for three weeks and a Series 11 has been on my right, because the only feature in the announcement I actually cared about was the one nobody…
The 3.3-Hour Problem: CPAP, Pills, and What Obstructive Sleep Apnea (OSA) Treatment Actually Delivers
The SAVE trial was supposed to settle it. McEvoy et al. (2016), New England Journal of Medicine: 2,717 adults with moderate-to-severe obstructive sleep apnea (OSA) and established cardiovascular…
Why Would a Sleep Apnea Company Sponsor a Race Car?
The hood of a NASCAR Cup car is about nine square feet. For one weekend it can cost more than a house.
Apple Product Pricing Strategy: I Kept Nine Years of Receipts and the Sticker Price Was the Least Useful Number in the Drawer
The most durable defense of Apple product pricing strategy is also the most quotable: a flagship iPhone cost $999 in 2017, and a flagship iPhone costs about $999 now. Nine years, no increase.
The Apple Watch Series 12 Is a Worse Sleep Tracker Than the Series 11 — For Eleven Nights
The new watch is a worse sleep tracker than the old one for about eleven nights. Then it becomes a better one and stays better.
Smartwatch alternatives, tested: six weeks with a £29 Casio and a paper sleep log
Night nine. I wrote 23:41 in a notebook — lights out — and the next morning I wrote 00:09, the last time I remember reading the clock on the landing.
Sunrise Alarm Clocks: I Measured What Four of Them Actually Put on My Face at 6:40 a.m. The Answer Was 41 Lux
Forty-one lux. That is what the best of the four sunrise alarm clocks on my nightstand last winter actually delivered to my face at 6:40 a.m.
Your First CPAP Therapy Setup, and the 1993 Study Hiding Inside It
Four hours a night, on seventy percent of nights. If you are assembling a first CPAP therapy setup in Canada — prescription in hand, four browser tabs open, a mask in a cart that you have never…
Nine Weeks of CPAP Mask Fit and Comfort Fixes, Cheapest First
For eleven months my machine's app reported a 95th-percentile leak of 31.2 L/min, comfortably above the line where the software stops being encouraging and starts showing you a frowning icon.
Wearable Neurotechnology vs. a 160 mg Cup: Four Devices, One Bloodstream, Fourteen Nights
The most interesting thing about the current wave of wearable neurotechnology is not that a $500 gadget can read electrical activity off your scalp.