Sleep stage trends

It's a well-known fact that our sleep is not the same throughout the night. Scientists have categorized and named the distinct stages we go through during sleep, and every one is essential. Pillow's sleep stage analysis is a first step towards being more aware of how you slept and how much time you spent in each sleep stage.

Pillow's latest update introduces a big update that can help you discover how these sleep stages change over time. The trends tab now includes three new sections, one for each sleep stage with helpful weekly summaries. If you want to delve deeper, Pillow offers a rich detail view where you can review your sleep stage trend on a weekly, monthly and annual basis. What's more, you can compare the time spent on each sleep stage with various categories from Apple Health like, Steps, Caffeine consumption, Dietary Calories, and more.

Sleeping heart rate trends

Another important aspect of sleep is our heart rate. Pillow 4.7 brings a new section that helps you track your average heart rate during sleep. This trend comes with a quick weekly summary and a detail view that helps you track your average heart rate during sleep on a weekly, monthly and annual basis. This is also a trend that you can compare with various Apple Heath categories and discover potential correlations.


All results are estimates. Pillow is not a medical application and should not be used to diagnose or treat any condition. Please consult your physician before making any changes to your lifestyle choices or treatment.