Why do my texts come all at once?
I originally signed up with Virgin, and have been using an iPhone 6S I bought from them. When my place of employment sends texts to all employees (about 20 of us), I don't receive the original text or the replies until about three o'clock in the morning. Then my phone goes crazy alerting me to all of the text messages coming in at once. At three in the morning. While I'm trying to sleep. I don't text often, but it seems the issue is only with the office texts.
Why is this happening, and how can it be fixed?