Smartphone positioning

I am new to Sleep as Android and I really like it. But I have not yet figured out how to best position for the smartphone during the night. How do you position your smartphone in your bed to get best accelerometer and snoring recording information while avoiding your phone to fall?
My bed is not very large, it is a single bed for 1 person.
Regards, Chris

What are your smartphone placement tips?
By looking on the internet, I have found this nice hack :

1 Like