Automatically pause your media player after you fall asleep

It’s become a routine. Every day before I go to sleep, I listen to a
podcast. I love them, they are enjoyable but also help me drift off. One
problem with listening to podcasts before bed is that if you do drift
off, your media player/ podcast player will still be playing the audio.
Not only does this drain the battery, as I found out yesterday, you can
be woken up if the hosts of the