If you hear an alarm in your dream, your unconscious could be trying to get you to pay attention to something.
During your waking hours, you may have been receiving clues that something important is about to happen in your life, but your conscious mind may have been too focused on other things for you to notice them.
Hearing an alarm in a dream can be a reminder that it is time to do something.
You may have thought about making a change in your life, but have been procrastinating.
The alarm in your dream can be a message that you need to make a decision and then move forward; there is no more time to wait.
If you dream that you set off a fire alarm, you could be feeling emotionally needy and desire attention from others.