The Journal

Sleep. Food. Energy.
Korean Wellness.

Evidence-based. Korean-anchored. Practical. Updated weekly.

14 articles
Peer-reviewed sources
Free to read
3am waking perimenopause cortisol
Perimenopause

Why You Wake Up at 3am in Perimenopause (And What Cortisol Has to Do With It)

The 3am wake-up is one of the most reported but least explained perimenopause symptoms. The mechanism is cortisol — and it's fixable once you understand it.

Lila Park · March 19, 2026 · 9 min read
Perimenopause fatigue
Perimenopause

Perimenopause Fatigue Is Not Depression — Here's the Difference

The exhaustion of perimenopause is frequently misdiagnosed. Understanding whether it's hormonal, metabolic, or mood-related changes what you do about it.

Lila Park · March 18, 2026 · 10 min read
Perimenopause insomnia
Perimenopause

Perimenopause Insomnia: Why Sleep Gets Worse Before It Gets Better

Most women in perimenopause experience a sleep disruption window that lasts 2–5 years. Here's the biology — and the evidence-based interventions that actually shorten it.

Lila Park · March 17, 2026 · 10 min read
Korean foods for perimenopause sleep
Perimenopause

5 Korean Foods That Support Perimenopause Sleep (And the Science Behind Them)

Traditional Korean cuisine has a quiet obsession with foods that calm the nervous system and support hormonal balance. Some of them are surprisingly well-evidenced.

Lila Park · March 16, 2026 · 8 min read
Sleep science
Sleep Science

Why You Can't Catch Up on Sleep (And What Actually Works)

The science of sleep debt is more unforgiving than you've been told — but there's a precise recovery window that most people miss entirely.

Lila Park · March 14, 2026 · 9 min read
Sleep architecture
Sleep Science

Why You're Exhausted Even After 8 Hours

You're sleeping the right amount but waking up wrecked. The problem isn't duration — it's what's happening inside those 8 hours.

Lila Park · March 10, 2026 · 8 min read
Kimchi fried rice
Korean Food

I Made Kimchi Fried Rice Healthy Without Ruining It

Traditional kimchi fried rice is already more nutritious than most wellness food. Here's what I changed — and what I deliberately left alone.

Lila Park · March 3, 2026 · 6 min read
Morning protocol
Circadian Biology

The 5-Minute Morning Habit That Changed My Whole Day

I spent years optimising my morning for productivity. The change that actually worked took five minutes and cost nothing.

Lila Park · Feb 24, 2026 · 5 min read
Movement
Movement

You Don't Need the Gym — You Need to Move Like a Korean Grandma

Korean grandmothers are among the most physically capable older adults in the world. Their secret isn't exercise — it's movement woven into life.

Lila Park · Feb 17, 2026 · 7 min read
Energy and circadian rhythm
Energy

The 3pm Crash Isn't Normal — It's a Timing Problem

That wall you hit at 3pm isn't weakness. It's your circadian system running a process at the wrong time.

Lila Park · Feb 10, 2026 · 6 min read
Gut-brain axis
Gut Health

Your Gut Is Your Second Brain — But Not in the Way Influencers Mean

The gut-brain connection is real and well-evidenced. It's also one of the most mangled concepts in wellness content.

Lila Park · Feb 3, 2026 · 9 min read
Nunchi and social awareness
Korean Wellness

Nunchi: The Korean Art of Reading the Room

눈치 (nunchi) is usually translated as social awareness. In Korean culture it's closer to a full-body attunement — and I think of it as a nervous system practice.

Lila Park · Jan 27, 2026 · 7 min read
Perimenopause and sleep
Sleep Science

Perimenopause Ruined My Sleep. Here's What Actually Helped.

The honest picture is more complicated than either the dismissive medical mainstream or the supplement industry will tell you.

Lila Park · Jan 20, 2026 · 10 min read
Breathwork and nervous system
Nervous System

4-7-8 Breathing Is Fine. This Is Better.

There's a more precise method — less memorable as a ratio, more effective as a nervous system intervention.

Lila Park · Jan 13, 2026 · 6 min read
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