To dream that you are in a fun-filled nightclub, represents the social aspects of your life and your sense of belonging. The dream could be a commentary on your lifestyle. Perhaps you need to settle down a little.
To dream that you are in a depressing nightclub, signifies an a financial crisis or and end to a lover affair.
To be in a nightclub with lots of fun going on augers well for your social life and connections in the near future. If the nightclub is dimly lit and depressing, you can expect the end of a love affair, or a financial crisis.