While his older siblings are very public figures, Melania Trump is insistent on keeping Barron Trump's life private.
As the reported, it was 3 in the morning and Barron was obviously exhausted, and likely bored, like any kid his age would be, but the internet trolls, and likely some angry critics of the controversial election, took out their frustrations on the young Barron.
Barron also signed cards for the American Armed Forces along with his family.