Based on the tweet "Do you ever just get so excited that you're trying to sleep &amp; just can't even close you eyes😁like I really need this catnap but #excitement", categorize the level of joy felt by the author. Select from the following: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.