The department of
Polysomnography
Polysomnography is the overnight sleep study used to diagnose apnea, narcolepsy, and parasomnias, with EEG, AHI, and home-test guides, reviews, and notes.
Pieces
3
Sleep Apnea
June 2026 · 5 min
What Actually Happens During a Sleep Apnea Diagnosis (From Someone Who Wired Themselves Up First)
The first night I wore a fingertip pulse oximeter to bed — the thirty-dollar kind, the kind that clips on like a clothespin and glows red through the dark — it told me my blood oxygen had dropped to…
By Megan Caldwell · Read →
Sleep Apnea
May 2026 · 5 min
What a Sleep Study for Suspected Obstructive Sleep Apnea Actually Involves
Most people show up to their first sleep study having counted the wires in a stock photo. Twenty-six is the number that gets stuck in the head — sometimes more, depending on the lab.
By Sophie Alderton · Read →
Sleep Tech
April 2026 · 5 min
What Activity Trackers for Sleep Actually See (and What They Quietly Make Up)
At 7:14 a.m. your wrist tells you that you got 42 minutes of REM, 1 hour 11 minutes of deep sleep, and a readiness score of 71. You feel like garbage.
By Megan Caldwell · Read →
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