Pillow Help Center

Sleep Analysis and Other Results

Understand how Pillow tracks sleep stages, troubleshoot issues, and learn about device setup.

28 articles

Accessing Sleep Reports

How Can I See My Last Night’s Sleep Analysis?

How to manage Sleep Notes in Pillow?

Detection & Setup

If Pillow Has Not Detected Any Sleep Sessions Yet

Pillow Does Not Detect Sleep in Automatic Mode

Can Pillow Track My Sleep Automatically?

Do I Need to Calibrate My Device?

How Do I Need to Place My Device during Sleep?

Understanding Sleep Stages

How Does Pillow Calculate REM Sleep?

How Does Pillow Calculate Sleep Quality?

What Do the Indicators (Arrows) Next to Sleep Quality Mean?

How does Pillow track sleep and monitor awakening times?

Troubleshooting Results

Why do Pillow and Apple Health App show different sleep data results

My Sleep Analysis Seems to Be Incorrect

My Sleep Shows as “Awake” for the Whole Night

My Sleep Sessions Show Only “Deep Sleep” Time. Why?

Why does my sleep session appear on the wrong day?

About Pillow's AI

Device & Environment Factors

Why Do I Have to Keep My iPhone or iPad Plugged during the Night?

What If I’m Sharing My Bed with Another Person?

Will Notifications, Texts and Calls Go Through While Pillow Is Active?

Does Pillow Work with a CPAP Machine?

Can Pillow Detect Breathing Disturbances like Sleep Apnea?

Heart Rate Analysis

I Don’t See Any Heart Rate Data

How Does Heart Rate Work in Pillow?

Environmental Audio Levels

No Environmental Audio Data

Blood Oxygen Levels

Pillow Doesn’t Record Blood Oxygen Data

Sleep Temperature

Sleep Temperature