Analyze the following tweet to determine the level of joy expressed. The levels are: 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.
Tweet: @Marcella_Jonas One of the twins was sleeping next to me. I tried to cover my laughter, but I shook so hard she woke up!