About Sleep Caffeine
Sleep Caffeine is your trusted resource for understanding the relationship between caffeine and sleep. We provide science-backed guides, practical tips, and expert insights to help you make smarter decisions about your daily caffeine habits and nighttime rest.
Our Mission
Millions of people struggle with the balance between staying energized during the day and getting quality sleep at night. At Sleep Caffeine, our mission is to bridge the gap between coffee culture and sleep science — helping you enjoy your caffeine while still getting the rest you need.
Who We Are
Sleep Caffeine is an independent health and wellness publication based in the Netherlands. Our editorial team combines expertise in sleep science, nutrition, and wellness to deliver content that is both accessible and scientifically grounded. We are committed to providing free, high-quality tools and resources to a global audience.
What We Cover
- How caffeine affects your sleep cycles and circadian rhythm
- Optimal timing for coffee consumption without disrupting sleep
- Caffeine alternatives and low-caffeine options for sensitive individuals
- Sleep optimization techniques and sleep hygiene best practices
- The latest research on caffeine metabolism and its effects on health
Our Tools
We offer four free interactive calculators designed to help you optimize your caffeine intake and sleep schedule:
- Sleep Cycle Calculator — Find your ideal bedtime or wake-up time based on 90-minute sleep cycles.
- Coffee Timing Calculator — Discover the best times to drink coffee based on your cortisol rhythm.
- Caffeine Half-Life Calculator — Track how long caffeine stays in your system with real-time decay visualization.
- Nap Calculator — Find the perfect nap duration from quick power naps to full recovery cycles.
Our Commitment
Every article and tool on Sleep Caffeine is researched thoroughly and reviewed for accuracy. We are dedicated to delivering actionable, honest information that helps you live better — awake and asleep.
Get in Touch
Have questions, feedback, or partnership inquiries? We’d love to hear from you. Visit our Contact page or email us at hello@sleepcaffeine.com.