New Delhi, Dec 05 (ANI): Justin Bieber is reportedly worried about his safety and insists on having his guards inside the hotel room while he is sleeping. The 19-year-old singer has also ordered a 24-hour watch, as he is extremely afraid that his fans might break into his room. A source has revealed that the 'Boyfriend' hitmaker can't be alone at night right now, as he is paranoid and hears noises all the time. The insider added that it freaks him out, and insists on having an ever-present guard in his room and the one outside, and that he also has two on standby to take over when his men need breaks.