ZEST BLOG
Science-backed insights, actionable tips, and fresh ideas on optimizing sleep, energy, and performance
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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.
3/20/2025
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.
3/13/2025
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.
2/22/2025
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.
2/21/2025
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.
2/20/2025
Why Some People Metabolize Caffeine Faster Than Others
Explore how genetics influence caffeine metabolism and its effects on energy levels and sleep patterns.
2/19/2025
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.
2/18/2025
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.
2/17/2025
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.
2/13/2025
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.
2/12/2025
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.
2/2/2025
How Long Before Bed Should You Stop Drinking Caffeine?
Learn how timing your caffeine intake can enhance sleep quality and boost energy levels without disruption.
2/1/2025
The Surprising Factors That Influence How Long Caffeine Stays in Your System
Explore the surprising factors that affect caffeine metabolism, including genetics, diet, and lifestyle, to optimize your energy levels and sleep.
1/31/2025
How Long Does Coffee Take to Kick In? A Breakdown of Caffeine Absorption & Alternative Delivery Methods
Explore how quickly caffeine works, factors affecting its absorption, and alternative delivery methods to optimize energy levels.
1/30/2025