Plasma Aβ42/40 ratio
Biomarker1 paper2 findings
- Humans1
Associations
2REM sleep percentage
downin humans1
1 study
REM sleep percentage
downin humans1
REM sleep percentage is associated with plasma Aβ42/40 ratio in humans.
HumansCognitively unimpaired older adults; low REM sleep percentageplasma2.6 yearsn = 64
Less rapid eye movement sleep is linked to Alzheimer's changes · Alzheimer's & dementia : the journal of the Alzheimer's Association · 1 Oct 2026
Frontal slow-wave activity
downin humans1
1 study
Frontal slow-wave activity
downin humans1
Frontal slow-wave activity is associated with plasma Aβ42/40 ratio in humans.
HumansCognitively unimpaired older adults; cross-sectional bivariate and covariate-adjusted analysesplasman = 64
Less rapid eye movement sleep is linked to Alzheimer's changes · Alzheimer's & dementia : the journal of the Alzheimer's Association · 1 Oct 2026
Latest
1Less rapid eye movement sleep is linked to Alzheimer's changes
In 64 older adults tracked for 2.6 years, lower rapid eye movement sleep was linked to a faster drop in a blood marker of Alzheimer's disease.In 64 older adults tracked for 2.6 years, lower rapid eye movement sleep was linked to a faster drop in a blood marker of Alzheimer's disease.