Is he cheating on me?

I'm dating this guy, we were talking on text when he asked me to sleep as he said that he wanted me to rest.. We talked until 12:30 at night.. The next morning I switched on my last seen for 2 seconds to check on him, I saw that his last seen was at 3:15 am.. This has happened a few days ago as well.. Is he cheating on me?

Is he cheating on me?
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