Alzheimer's Research & Therapy
Sleep waves were flatter at later Alzheimer’s disease stages
An observational study linked larger, steeper sleep waves to better cognitive performance over time among people without cognitive impairment.An observational study linked larger, steeper sleep waves to better cognitive performance over time among people without cognitive impairment.
Cross-sectional studyAlzheimer's disease
Who was studiedPeople across the Alzheimer’s disease continuum
What changedSleep waves were flatter at later Alzheimer’s disease stages than in unimpaired people without abnormal Alzheimer’s biomarkers
The catchSleep changes within individuals as their disease advanced were not measured