@Hayleyanderson Welcome to the forum. I had the same issue when I first got Glass a couple of years ago. I found it was losing connection overnight so ended up fixing the problem by switching on the Networked Standby Mode. This stops the TV from losing the network when it goes into standby.
You can check/change this setting by going to Settings > Start up & standby menu where you will see the Networked standby mode option. Make sure it is ON. I actually then turned OFF all the other options in than menu as I found them annoying.
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