Sleep, the glymphatic system, and APOE4
Why sleep keeps coming up in Alzheimer’s research, what the glymphatic system is, and practical sleep priorities for carriers.
Updated May 30, 2026 5 min read
Deep Dives
Sleep & Stress
Recovery, glymphatics, and resilience.
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Sleep apnea and cognitive risk: the underdiagnosed lever
Obstructive sleep apnea is common, often silent, harmful to the brain and heart, and very treatable. Why it deserves attention from APOE4 carriers.
Updated June 2, 2026 6 min read
Stress, cortisol, and the brain
Chronic stress touches blood pressure, sleep, and behavior in ways that matter for brain health. Practical, evidence-aligned ways to manage it.
Updated June 2, 2026 5 min read
Building a brain-protective sleep routine
You can’t hack your way to good sleep, but you can engineer the conditions for it. A practical, no-nonsense routine for carriers who take the brain seriously.
Updated June 2, 2026 5 min read
Naps, melatonin, and sleep aids: what’s reasonable?
Should you nap? Is melatonin safe to take nightly? A practical, evidence-aware guide to the sleep shortcuts carriers ask about most.
Updated June 2, 2026 5 min read