INSIGHTS & RESEARCH

Wearables, sleep & energy

Your ring, watch or wearable already knows how you slept and how recovered you are. What it doesn't tell you is what to work on right now, or which of today's tasks to move. Here we show you how to use your data for your advantage at work: what the underlying measures actually mean, where they're unreliable, and what to change about a working day when your energy is high or low.
Career
Performance at Work
Research
Self Improvement
Your Office Is Tanking Your Brainpower. Here's the Science.
Your 2pm brain fog probably isn't a discipline problem. It's an environmental problem. Research shows that office temperature outside 20–24°C, CO2 above 1,000 ppm, open-plan noise, and poor lighting each independently reduce cognitive performance. Combined, they can cut your mental capacity significantly.
Energy Health & Wellbeing
Health
News & Trending
Productivity
Self Improvement
The Truth Behind Why 6 Weeks of Rain Kills Your Productivity
Bad weather can impact your circadian rhythm, hormones, and focus— but complaining about it tanks your productivity more than the rain itself. Science-backed strategies to work with your body during bad weather.
Productivity
Energy Health & Wellbeing
Research
Humanizing Productivity - Understanding the Impact of Biology on Productivity
Your productivity isn't just about time management—it's about biology. Hormones regulate energy and focus, circadian rhythms control peak cognitive windows, sleep affects decision-making, and genetics determine your chronotype. Learn how your body actually works and how to structure work around your biological reality instead of fighting it. Stop forcing productivity. Start working with your biology.
Energy Health & Wellbeing
Hormonal Health
Productivity
Self Improvement
Daylight Saving Prep: Protecting Your Cycle Through Time Changes
The end of Daylight Saving Time disrupts your circadian rhythm — and your menstrual cycle. Learn how to reduce hormone swings, sleep disruptions, and cycle symptoms during the seasonal time change with light management strategies, cycle syncing, and the Phase app. Prepare now to protect your productivity and wellbeing.
Productivity
Energy Health & Wellbeing
Hormonal Health
The Importance of Rest for a Productive Life
This blog dives into the science of rest, revealing how strategic breaks, deep work, and cycle-based recovery can boost focus, creativity, and prevent burnout. Learn about the 7 types of rest, why top performers thrive on just four hours of deep work per day, and how to integrate intentional recovery into your routine
Energy Health & Wellbeing
Productivity
News & Trending
How the Seasons Impact Your Energy and Work
Discover how seasonal changes impact your energy, mood, and productivity—plus science-backed strategies to stay focused and motivated through the final months of winter. Learn how light exposure, temperature, and hormonal shifts affect your body, and get expert tips on boosting energy, improving sleep, and maintaining mental clarity. Embrace winter with confidence and set yourself up for a productive season!
WORK WITH YOUR ENERGY

Energy-aware work starts here.

Phase connects your wearable data to your to-do list, so you always know the best time for your hardest work.