Sleep apnea detector app

Sleep apnea is a prolonged cessation of breathing in a sleeping person, causing significant harm to health.

The 'Sleep Apnea Detector' app for iPhone records timestamps of when you stop breathing and can wake you up if you don't breathe for about 20 seconds.

For the app to register sleep apnea, the surface you sleep on must give when you breathe. The app usually works well on a bed with a spring mattress.

The app will not work if you sleep on a hard surface, such as the floor.

The app will also not work if your bed has given in for some other reason when you stop breathing. This can happen, for example, if you are not sleeping alone.

This app is designed to work on iPhone, it will not work on desktops and laptops as they do not have the necessary sensors.

Place your iPhone in a protective case to avoid crushing it.

Reduce brightness and turn your iPhone face down if light is keeping you awake.

At 0.04 - the app is turned on, calibration begins.

During the calibration process, you can see the figure rotate in time with my breathing.

At 1.07 - app calibration is completed.

At 1.26 I'm holding my breath.

At 1.37 the alarm sounds.

At 1.57 I hold my breath again

At 2.07 the alarm sounds

Then I open the log and the moments of respiratory arrest are recorded there.

The entries in the breathing pause log are not deleted when you close the application, so remember to clear it periodically by clicking on the button with a cross. 

The red color of the numbers at some points in time shows that the amplitude of the change in the angle of inclination of the iPhone body exceeds the recommended limits. This is due to my intense movements and too deep breathing while recording this video. If this happens while you are calibrating the application, try to find a place on the bed for the iPhone where this amplitude will be within 150...499 units.

After opening the appl press button 3 to start the calibration process. During the calibration, you should lie down and breathe calmly. 10 seconds after pressing the button, a certain number will appear in the oval frame. This number will be updated every 10 seconds.

The number inside the oval frame shows the amplitude of your breathing. Choose a place and orientation of the phone on the bed so that this number is within the range of 150 ... 499. If you want this number to be announced, press button 4.

If this number does not go beyond the specified limits, after 1 minute the application will go into working mode.

If after this you stop breathing, a record of the time at which this happened will appear in the log.

Press button 5 if you want a signal to sound when breathing stops.

By pressing button 6 you can restart the calibration process, if necessary.

Press button 1 if you want to open the apnea time log.

In the Apnea Time Log page:

The arrow from the number 10 shows the moments of time when breathing stopped.

Press the 8 button to copy them to the clipboard. Then you can paste them, for example, into a messenger for forwarding.

The log should be periodically cleared by pressing the 9 button, for example after using the application, so that they do not overflow the iPhone memory.

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