Ethan Kross Books
Audra Starkey is an Australian clinical nutritionist and former shift worker who founded 'The Healthy Shift Worker' platform. She specializes in educating shift workers on how to improve their health through better sleep, nutrition, and lifestyle habits.
Known for: Chatter: The Voice in Our Head, Why It Matters, and How to Harness It, Shift
Books by Ethan Kross
Chatter: The Voice in Our Head, Why It Matters, and How to Harness It
In this book, psychologist Ethan Kross explores the science of our inner voice—the silent conversations we have with ourselves—and how they shape our lives. Drawing on decades of research in psycholog...
Shift
A practical health guide designed specifically for shift workers, offering evidence-based strategies to improve sleep quality, nutrition, and physical activity while managing irregular work hours. The...
Key Insights from Ethan Kross
The Dual Nature of the Inner Voice
Our inner voice is one of the most sophisticated tools evolution has given us. Neuroscientific research shows that regions like the prefrontal cortex and Broca’s area enable internal speech—the same mechanisms we use for talking aloud are engaged when we silently converse with ourselves. This intern...
From Chatter: The Voice in Our Head, Why It Matters, and How to Harness It
Chatter’s Impact on Life and Relationships
When chatter takes over internally, its reach extends outward. You might think it’s confined to your own thoughts, but it bleeds into interactions, decisions, and relationships. One powerful finding I discuss is how internal distress spreads socially. When you ruminate excessively, you broadcast cue...
From Chatter: The Voice in Our Head, Why It Matters, and How to Harness It
Understanding Circadian Rhythms and the Consequences of Disruption
Your body is wired to follow the sun. This biological rhythm, called the circadian rhythm, is governed by internal clocks — tiny biological timekeepers that regulate sleep, hormone release, digestion, and temperature. When you work through the night, those natural rhythms are thrown off balance. You...
From Shift
Common Health Challenges: Fatigue, Digestion, and Metabolic Risks
Every shift worker I’ve met knows fatigue intimately — that bone-deep weariness that doesn’t vanish even after a full day’s sleep. But fatigue is just the visible symptom. Underneath it lie hormonal disruptions and metabolic stress. Cortisol, the stress hormone, climbs higher due to irregular sleep,...
From Shift
About Ethan Kross
Audra Starkey is an Australian clinical nutritionist and former shift worker who founded 'The Healthy Shift Worker' platform. She specializes in educating shift workers on how to improve their health through better sleep, nutrition, and lifestyle habits.
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Audra Starkey is an Australian clinical nutritionist and former shift worker who founded 'The Healthy Shift Worker' platform. She specializes in educating shift workers on how to improve their health through better sleep, nutrition, and lifestyle habits.
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