Helping the World Sleep Better

Slezza was born from a simple belief: everyone deserves to understand and optimize their sleep, without expensive apps or complicated science.

Making Sleep Science Accessible

Sleep is the foundation of health, productivity, and happiness. Yet most people struggle with it daily, unaware that small changes can make a huge difference.

We created Slezza to bridge the gap between complex sleep research and everyday people. Our tools translate decades of scientific discoveries into actionable insights you can use tonight.

Our Goal

Help 1 million people sleep better by 2026

50K+ Active Users
1M+ Calculations Made
21 Sleep Articles
10 Free Tools

What Drives Us

Science-First Approach

Every tool and article is backed by peer-reviewed sleep research and clinical studies.

Accessible to All

Premium sleep optimization tools, completely free. No hidden costs, no subscriptions.

Community Driven

Built with feedback from thousands of users improving their sleep every day.

Continuous Innovation

Constantly updating our tools with the latest sleep science discoveries.

Meet the Dreamers

A passionate team of sleep researchers, designers, and developers working to improve your nights.

SA

Shahzad Arsi

Founder & Lead Developer

Sleep optimization expert and developer passionate about making sleep science accessible to everyone through innovative digital tools.

Ready to Transform Your Sleep?

Start with our free Sleep Calculator and discover your optimal sleep schedule.