Sleepal is the must-have sleep companion app for Apple Watch owners.
Sleep is essential for everyone. Beyond objective scientific metrics, subjective feelings also play a crucial role in evaluating sleep quality. Sleepal uses a scientifically-backed sleep scoring algorithm to analyze various sleep metrics while helping you to record your own feeling. It would help you to locate the cause of sleep disturbance.

Daily Sleep Reports
- Each morning, Sleepal delivers a detailed sleep report that includes your sleep quality score, cycle analysis, sleep consistency, and physiological data.
- Sleepal’s proprietary scoring algorithm incorporates multiple authoritative indices, including the Pittsburgh Sleep Quality Index, to give you an easy-to-understand sleep score that reflects your nightly rest.
- Sleepal understands that everyone’s sleep needs are unique. It dynamically adjusts its scoring algorithm based on your subjective sleep experience to ensure the score reflects both your data and feelings.

Wakeup Feeling Logging
- How you feel after sleep is as important as sleep data. By recording how you feel each morning, you can gain better insights into your sleep patterns and find the factors that might be affecting your rest.
- Sleepal will remind you to review your sleep report each morning and log your subjective feeling.

Automatic Nap Recording
- Sleepal automatically tracks naps using your Apple Watch.
- Once you install the Sleepal app on your Apple Watch, it works in the background after you start the app for the first time(background refresh required) with minimal impact on your device’s battery life.

Track Long-term Trends
- Daily sleep reports are valuable, but understanding long-term trends is equally important. By tracking your sleep over time, you can better understand changes in your body and sleep habits.
- Sleepal offers detailed trend reports covering sleep duration, efficiency, and consistency, with plans to introduce even more metrics for deeper insights.
Vital Signs Sleep Analysis
- SleepPal also tracks vital sign data during sleep, such as heart rate, respiratory rate, and HRV, to help assess their impact on sleep quality.

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Thank you for using Sleepal! Sleep well every night!