Topic
Aging & Sleep
How sleep architecture, circadian rhythms, and sleep disorders change with advancing age.
Deep Research Articles
How Poor Sleep Accelerates Cognitive Decline: Evidence From 3 Major 2026 Studies
Three landmark 2026 studies — a 13-year CHARLS cohort of 8,900 adults, a PNAS nap/memory experiment, and a Nature Neuroscience GABA/spindle trial — converge on a clear warning: poor sleep doesn't just feel bad, it measurably accelerates cognitive aging.
Sleep and Aging: From Architectural Changes to Science-Based Interventions
A comprehensive analysis of how sleep architecture changes with aging: N3 deep sleep declines 8% per decade, circadian phase advances 1.5-2h, melatonin amplitude drops 40% — plus evidence-based intervention strategies.
Research Feed
Sleep Apnea Found in Over Half of Parkinson's Patients — And It May Worsen Symptoms
A new study found 54% of Parkinson's patients have sleep apnea, linked to higher inflammation and worse motor symptoms. What this means for treatment.
Why Older Adults Can't Stop Taking Sleeping Pills: A 2026 Study Explains the Barriers
Why can't older adults stop sleeping pills? A 2026 study found prescriptions are often unjustified and stopping faces complex biopsychosocial barriers.
Can Weekend Sleep-Ins Cause Worse Eyesight in Teens? 2026
New research shows social jet lag from irregular teen sleep schedules worsens eyesight risk. Learn how sleep consistency may protect your child's vision.
Treating Sleep Apnea After Stroke Lowers Blood Pressure 2026
CPAP treatment for sleep apnea after stroke lowers blood pressure, especially at night. Find out how treating snoring aids your stroke recovery.
Digital CBT-I for Older Adults with Insomnia and Anxiety: Feasibility Study
A feasibility study in Age and Ageing tests a digital CBT-I program for older adults with comorbid insomnia and anxiety. Preliminary findings suggest it's accessible and effective.
Inhaled Aromatherapy Significantly Improves Sleep and Cognition in Older Adults
An RCT shows inhaled lavender aromatherapy over 4 weeks improved sleep efficiency from 78.3% to 86.1% and raised MoCA cognitive scores by 2.2 points in adults 65+.
Network Meta-Analysis Ranks Best Non-Drug Sleep Interventions for Older Adults
89 RCTs with 7,236 participants reveal CBT-I (PSQI -4.8), combined exercise (-3.9), and mindfulness (-3.5) top the list for improving sleep in adults 60+.
Tai Chi Enhances Slow-Wave Activity During Deep Sleep in Older Adults: 12-Week RCT with EEG Evidence
A 2026 RCT in Frontiers in Physiology provides the first EEG-based evidence that 12 weeks of Tai Chi practice significantly enhances slow-wave activity (SWA) during deep sleep in older adults with mild insomnia, increasing deep sleep duration by 18% and improving PSQI scores by 2.8 points.