Based on the given tweet, determine the level of fear the author is experiencing. Choose from the following options: 0: no fear can be inferred, 1: low amount of fear can be inferred, 2: moderate amount of fear can be inferred, 3: high amount of fear can be inferred.
Tweet: Ugh.. Why am I not asleep yet. Fml. I think low key I'm afraid I might miss something. #SleeplessNight #sleepy #restless
3: high amount of fear can be inferred