Foundation 6 min read
Why Sleep Changes at Midlife
Architecture, hormones, and the 3 a.m. cortisol spike — explained without jargon.
Read Article →Evidence-Based Guidance
Featured Articles
Deep Dive 10 min read
CBT-I: The Therapy That Outperforms Sleep Pills
The protocol most clinicians don't prescribe — and the studies that show it works.
Read Article →Insight 5 min read
Trackers, Wearables, and What Actually Matters
Which sleep metrics to trust, which to ignore, and how not to obsess.
Read Article →Educational only. Not medical advice. Always consult your physician before changing medications, supplements, or health regimens.
What You Need to Know
This pillar gathers the most current, evidence-based research and expert voices on sleep. Every claim is sourced from peer-reviewed medical literature or board-certified clinicians.
Use the topic cards below as a starting map. Each links to deeper explainers, expert interviews, and curated research updates. The Latest News section is refreshed weekly.
Key Topics
Sleep Architecture in Midlife
Hot Flashes & Wakings
Cortisol & 3am Wakes
HRT & Sleep
Sleep Hygiene Protocols
Sleep Trackers
Insomnia & CBT-I
Featured Experts
Wa
Dr. Matthew Walker
PhD, UC Berkeley
Br
Dr. Michael Breus
PhD, The Sleep Doctor
By the Numbers
40%
drop in deep sleep during perimenopause (Sleep Med Reviews)
60%
of perimenopausal women report insomnia (NAMS)