As everybody can already understand by the name of the radio that the radio is designed and perfected so that it can help their listeners to sleep. This is a very popular radio of Poland and the radio is known for their music and playlists that are soft in touch which helps their listeners sleeping.
Radio Sleep Time official website address is www.radio.24tm.pl
If the Radio is extremely choppy and stops every 5 seconds, try listen to this Radio at different time.
Not all Radio Stations function for 24 hours everyday. If you can't listen to any Radio, try to listen at different time, as the Radio Station may stop during midnight according to its own country time zone.