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The Zest Team

The Zest Team
Spring Forward: How Morning Sunlight, Movement, and Caffeine Reset Your Biological Clock

Spring Forward: How Morning Sunlight, Movement, and Caffeine Reset Your Biological Clock

Enhance your energy and sleep with morning sunlight, exercise, and smart caffeine use to reset your internal biological clock.

By The Zest Team, Dr. Sohaib Imtiaz, MD 09 Apr 2025
How Sleep Inertia Kills Morning Productivity (And How to Fix It)

How Sleep Inertia Kills Morning Productivity (And How to Fix It)

Sleep inertia can severely impact morning productivity. Learn how to combat grogginess and boost your energy for a more effective start to your day.

By The Zest Team 21 Mar 2025
Why Spring Mornings Feel Harder: The Science Behind Spring Fatigue

Biological rhythms

Why Spring Mornings Feel Harder: The Science Behind Spring Fatigue

​Struggling with morning grogginess as daylight hours increase? Explore how the Spring Equinox affects your sleep patterns and discover science-backed strategies to realign your circadian rhythm for more refreshing mornings.​

By The Zest Team, Dr. Sohaib Imtiaz, MD 20 Mar 2025
How Evening Light Affects Melatonin Levels

How Evening Light Affects Melatonin Levels

Evening light can disrupt sleep by lowering melatonin levels. Learn practical tips to protect your sleep and improve your nighttime environment.

By The Zest Team 12 Mar 2025
Can You Train Yourself to Need Less Sleep? What Research Says

Can You Train Yourself to Need Less Sleep? What Research Says

Most adults need 7–9 hours of sleep for optimal health; learn how sleep quality impacts well-being and performance.

By The Zest Team 20 Feb 2025
Why Waking Up Tired is a Sign of Poor Sleep Architecture

Why Waking Up Tired is a Sign of Poor Sleep Architecture

Waking up tired? Discover how sleep architecture affects your energy levels and learn effective strategies for better rest.

By The Zest Team 19 Feb 2025
Why Some People Metabolize Caffeine Faster Than Others

Why Some People Metabolize Caffeine Faster Than Others

Explore how genetics influence caffeine metabolism and its effects on energy levels and sleep patterns.

By The Zest Team 18 Feb 2025
Should You Take Caffeine Before a Morning Workout?

Should You Take Caffeine Before a Morning Workout?

Explore how caffeine can enhance your morning workout, from boosting performance to potential side effects, and find alternatives for caffeine-sensitive individuals.

By The Zest Team 17 Feb 2025
Timed-Release Caffeine vs. Slow-Release: Key Differences Explained

Timed-Release Caffeine vs. Slow-Release: Key Differences Explained

Explore the differences between timed-release and slow-release caffeine, and discover which type is best for your energy needs.

By The Zest Team 17 Feb 2025
Morning Energy Boost: Role of B-Vitamins

Morning Energy Boost: Role of B-Vitamins

B-vitamins are essential for natural energy production and cognitive function, helping to combat morning fatigue and improve overall wellness.

By The Zest Team 12 Feb 2025
Why You Shouldn’t Delay Your Morning Caffeine - What The Science Says

Why You Shouldn’t Delay Your Morning Caffeine - What The Science Says

Drinking coffee immediately after waking can enhance energy levels and reduce grogginess, challenging common caffeine timing advice.

By The Zest Team, Dr. Sohaib Imtiaz, MD 12 Feb 2025
Why Caffeine Pills Can Feel Stronger Than Coffee

Why Caffeine Pills Can Feel Stronger Than Coffee

Explore the differences between caffeine pills and coffee, from absorption rates to health benefits, and find out which suits your lifestyle best.

By The Zest Team 01 Feb 2025
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Science-backed insights, actionable tips, and fresh ideas on optimizing sleep, energy, and performance