I do listen to podcasts while sleeping, and they are usually light-hearted ones with minimal advertising. My recent favourite is No Such Thing as a Fish, from t

I do listen to podcasts while sleeping, and they are usually light-hearted ones with minimal advertising. My recent favourite is No Such Thing as a Fish, from the wonderful folks behind the British comedy game show QI. I also use AntennaPod on a 3 year old Android phone with basic smallish in-ear monitors that last maybe a few months of use.