Last Updated: May 2026

Welcome to Caffeine Sleep. Your privacy is important to us. This Privacy Policy explains how we collect, use, and protect your information when you use the App.

1. Information We Collect

Caffeine Sleep is designed to minimize data collection.

We may collect and store the following information locally on your device:

• Coffee, tea, or energy drink logs (type, time, estimated caffeine content)
• Your usual bedtime preference
• Your caffeine sensitivity setting (e.g., low / normal / high)
• App settings and user preferences
• Subscription or purchase status provided by Apple

If you choose to enable Apple Health sleep sync, the App may read sleep data from Apple Health to improve sleep delay predictions. No sleep data is stored on our servers.

All caffeine logs, preferences, and predictions are stored locally on your device unless otherwise stated.

2. Personal Information

We do not require users to create an account.

We do not collect sensitive personal information such as:

• Real name
• Address