Music stops after playing the radio awhile

[ari-dean]

I use the Spotify radio to help my siblings with ASD sleep at night after I had previously used a playlist but due to it's repetitive nature (duh it's a playlist) it wouldn't help them sleep anymore. The radio helps alot when it's playing (well actually casting) but it shuts off in the middle of the night where the playlist hadn't. No music wakes them up and now everyone has a cranky and grumpy day. Is there a way I can stop this? I figured I may have to wake up every couple of hours to like a track or something but is there an easy fix?