Distracted

Being distracted often and unable to finish all the projects easily is a sign of bipolar disorder. People are productive during the hyper manic phase and may start a lot of things without being able to finish most of them.
The Great Mood

There are several signs of bipolar disorder, which are characterised by up-and-down episodes of mania and depression. Sometimes, a person’s mood can be very good and they may enjoy it as long as it lasts. Lots of energy and creativity is usually seen on this side of bipolar disorder.
Irregular sleep

People with bipolar disorder tend to have a disturbed sleep cycle. They may sometimes sleep a lot during the depression phase and still feel tired after waking up. On the other hand, they may get very less sleep during the manic phase and still feel active.
Irritability

People with bipolar disorder sometimes experience symptoms of mania and depression at the same time. During such times they are extremely irritable so much that it even interferes with their relationships.
Depression

Another common sign of bipolar disorder is depression. If someone has symptoms of regular depression and also exhibits periodic signs of very good mood, then that person is possibly in a bipolar depressive state.
Full Of Ideas

People with the disorder sometimes can't control their thoughts during the manic phase. This is usually accompanied by pressured speech.
Substance Abuse

More than 50% of people with bipolar disorder are into some sort of substance abuse. Alcohol is the most common of them. People with bipolar disorder drink alcohol in both the phases, sometimes to improve the mood during the depression phase and to slow down in the manic phase.
Rapid Speech

People with bipolar disorder may talk rapidly without letting you talk much. Such a person is only interested in talking over you and is not listening to you at all. This usually happens in the manic cycle.
Spending Spree

One of the most common signs is overspending during the manic phase and not relating to those things at all during the depression phase. People with bipolar disorder may not be able to consider the consequences of their indulgence in anything when they are in the manic stage.
Poor Work Performance

A common sign of bipolar disorder is trouble at work. People with bipolar disorder have problems completing tasks due to irritability, inflated ego and depression. They are also unable to keep healthy relationships with coworkers.