Ground Truths A Master Class on Sleep
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Mar 6, 2026 Yo-El Ju, neurologist and sleep scientist at Washington University, studies sleep, Alzheimer’s, and REM sleep behavior disorder. She covers which sleep stages matter for neurodegeneration. She explains slow-wave disruption experiments, orexin antagonist effects on biomarkers, sleep regularity and disease risk. She also discusses wearables, naps, insomnia types, menopause impacts, sleep apnea treatments, and practical sleep habits.
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Genuine Short Sleepers Are Extremely Rare Families
- Truly short-sleeper families exist but are extremely rare and limited to a few kindreds.
- Ju says these cases are fascinating yet too scarce to justify trying to pharmacologically replicate their biology for the population.
Explore Oral Devices Or Nerve Stimulation For Sleep Apnea
- For obstructive sleep apnea, consider alternatives like mandibular advancement devices or hypoglossal nerve stimulators when CPAP is unsuitable.
- Ju notes hypoglossal stimulators are implanted pacemaker-like devices requiring months of titration and not a single-visit cure.
GLP‑1 Weight Loss Can Cure Some Sleep Apnea Cases
- GLP-1 weight loss therapies are now curing some patients' sleep apnea by reducing neck/upper-airway fat.
- Ju reports she has discharged patients after substantial weight loss from GLP-1 drugs who no longer needed apnea treatment.