All of us have good days and harder ones. Our moods naturally rise and fall. Sometimes for specific reasons. Sometimes just because it’s part of the human condition. For some folks, though, mood shifts go beyond ordinary, expected ups and downs that come with getting a new job, losing a relationship, moving across the country, or going through a rough time.
Mood shifts that feel extreme and out of place, disrupting sleep, relationships, work, and everyday life.
If you’ve noticed stretches of unusually high energy followed by stretches of deep lows—in yourself or in a loved one—with more “extreme” ups and downs, you’re likely searching for answers and may even be asking, “What are the warning signs of bipolar disorder?”
Many people are surprised to discover just how common it can be, with roughly 2.6 to 2.8% of Americans living with bipolar disorder. (That’s ~5.7 million individuals in the U.S. alone.) The sooner the signs are recognized, the sooner people can get the support they need, which can make a real difference in their quality of life.
Today, we’ll guide you through the early signs of bipolar disorder, what manic and depressive episodes actually look like, how bipolar disorder differs from common, everyday mood swings (as well as from depression), and what treatment and support can offer.
Quick note: This article is intended for educational purposes. It’s not a substitute for professional diagnosis. If what you discover here resonates, consider scheduling a clinical evaluation.
What Are the Early Warning Signs of Bipolar Disorder?
This condition doesn’t usually just appear out of nowhere. Often, people notice subtle shifts before a full episode becomes obvious. The changes, though, can be easy to write off—especially for folks who have experienced a lot of stress, have been busier than usual, or are just having an off week. You know, common conditions of being a human in today’s society.
That’s why it’s important to learn the early signs to watch for. These include:
Sleep changes that don’t match your routine. For example, at times, do you feel like you need far less sleep than usual and don’t feel tired? Yet at other times, feel like you’re sleeping more (perhaps a lot more) but never quite feel rested?
Shifts in energy or activity levels. Do you have sudden bursts of productivity or motivation? Or the opposite: noticeable drops in motivation and the ability to follow through even on smaller tasks?
Increased irritability. Yes, we all feel agitated or on edge from time to time. But are you snapping at people more often than usual? Or do you have a shorter fuse?
Racing thoughts or trouble concentrating. A mind that sometimes feels like it won’t slow down and sometimes has difficulty focusing on simple tasks is another potential warning sign.
Impulsivity. Bipolar disorder can lead to increased spending, risk-taking, and making decisions that feel out of character.
Withdrawing. Do you find yourself pulling back from friends, family, and activities you normally enjoy?
Please note: there’s a difference between the warning signs and symptoms of an active episode. The warning signs are often the early ripples. They’re smaller, easier to miss, and sometimes only noticed in hindsight. Full episodes—manic or depressive—are more sustained and disruptive. We’ll examine what those look like in the sections to come.
That said, if these types of warning signs are feeling a little too familiar, it’s worth taking a deeper dive into how you (or your loved one) are feeling with our Bipolar Disorder Self-Assessment Quiz.
Self-assessment tools can help you get a clearer picture and the language you need to describe what you’ve been noticing.
How Is Bipolar Different from Regular Mood Swings?
This question is a fair one. After all, everyone—everyone—has mood swings. A stressful week can leave you exhausted, snapping even at the people you care for the most. A great week can skyrocket energy levels and leave you feeling optimistic and excited for the future.
So, what separates the typical highs and lows from bipolar disorder?
It comes down to the intensity, duration, and impact. The National Institute of Mental Health notes that while most people experience mood changes from time to time, the mood changes related to bipolar disorder are a lot more intense.
Instead of mood changes that gradually change in response to daily life, the mood shifts in people experiencing bipolar disorder move in distinct, sustained periods. These are called mood episodes by clinicians, and they’re departures from a person’s baseline mood.
A few notable differences between everyday mood swings and bipolar episodes:
They last. Not just a couple of hours, but typically days or weeks at a stretch.
They’re often disproportionate to what’s going on. A manic or depressive episode can show up without an obvious trigger or last long after a trigger has passed.
They interfere with daily life. Work, relationships, sleep, and decision-making are all affected. It’s not just mood.
They follow a pattern. Bipolar disorder episodes tend to recur, following specific patterns, throughout life.
If you want more clinical information, you can read more about bipolar disorder from the National Institute of Mental Health.
Understanding the difference is important as bipolar disorder calls for different attention and support than an ordinary rough patch.
Understanding Manic Episodes
When many people think of bipolar disorder, the first thing they think of is mania. That is, a mental state characterized by high energy, intense excitement, and a decreased need for sleep. The actual state, however, is more complex. And a whole lot more disruptive.
The feeling isn’t just one of excitement or feeling really good. It’s a prolonged period where people feel abnormally elevated and expansive. And it often comes with increased activity and irritability. It’s not someone going through a more productive or positive streak. It’s an intense shift in how someone functions day-to-day.
For example, during a manic episode, someone may experience:
An exaggerated sense of self-confidence or well-being. They may feel invincible, unusually important, or far more capable of doing “great” things.
A decreased need for sleep. They may feel rested after just a few hours, if they sleep much at all.
Racing thoughts and rapid or pressured speech. During episodes, people around may notice someone’s talking faster than usual or jumping between ideas. The mind can’t seem to slow down.
Increased activity and agitation. A person may take on multiple projects, feeling restless and unable to sit still.
Impulsivity or risky decision-making. Spending sprees (that you may not be able to pay for), impulsive trips or events, risky sexual behavior or business decisions can all be rushed into without considering the true consequences.
Distractibility. Trouble focusing and feeling easily pulled from one thought to the next or from one activity or task to the next.
Irritability and agitation. Especially when the people around don’t match the same energy and excitement or try to slow them down and help them think through the decisions.
From the outside looking in, mania can often look like increased confidence and ambition. The person may exude charisma. That’s why it’s often missed or misread—and sometimes even celebrated. At least in the beginning.
For the person experiencing it, it can feel exhilarating. Later, it may become overwhelming, disorienting, or even frightening as it builds. In more severe cases, mania can include psychotic symptoms, such as hallucinations or delusions, which reflect the person’s extreme mood.
A shorter, milder episode is called hypomania. We’ll touch on how that fits into this condition when we look at different types of bipolar disorder below.
Understanding Bipolar Depression
With the “upside” of bipolar disorder comes the downside: bipolar depression. For many people, this side lasts longer and is harder to live with. The low mood, low energy, and notable loss of interest or pleasure in things that usually bring you joy can be sustained for longer.
During a depressive episode, people tend to feel:
Persistent sadness, emptiness, or hopelessness that doesn’t lift with a good night’s sleep or a change of scenery or experience.
Loss of interest or pleasure, which can cause them to pull away from relationships, hobbies, and activities that are usually meaningful to them.
Fatigue and low energy, often feeling mentally and physically drained, even after resting.
Changes in sleep, typically more than usual but sometimes struggling with the inability to sleep or sleep well.
Changes in appetite or weight, often due to eating significantly more or less than usual.
Difficulty concentrating or making decisions with a mental fog that makes even simple tasks challenging.
Feelings of worthlessness or intense guilt and being unusually hard on oneself—often way out of proportion to the situation.
Thoughts of self-harm, which can include suicidal thoughts in the most severe cases.
Bipolar depression can be severe, and any thoughts of self-harm or suicide should always be taken seriously and addressed immediately. If you or someone you know is having these types of thoughts, please call or text 988 for the Suicide and Crisis Lifeline, which is available 24/7.
What’s the Difference Between Bipolar Depression and Major Depressive Disorder?
It can be tricky to tell the two apart as bipolar depression often looks and feels very similar to major depressive disorder. The low mood, fatigue, loss of interest and hopelessness can feel indistinguishable from the outside—and often from the inside, too.
The difference, however, is not in the depressive episodes. It’s the presence of manic or hypomanic episodes that sets the two apart. People with bipolar disorder experience both depressive episodes and periods of elevated mood and energy—even if those “ups” are brief, mild, or overlooked due to the heavier depression.
Our Depression Self-Assessment Quiz can help you gain more clarity around what you’ve been experiencing.
Mixed Episodes and Rapid Cycling
Another baffling symptom of bipolar disorder is that it doesn’t neatly move between highs and lows. Two patterns in particular—mixed episodes and rapid cycling—can make it more difficult to recognize even for those who experience it. They can also make it harder to live with.
Mixed Episodes occur when symptoms of mania and depression show up at the same time. Someone in a mixed state may feel both deeply sad and hopeless while also feeling agitated, restless, and full of racing energy. It may look like:
Feeling low emotionally yet physically wired and unable to sit still
Rapid speech and racing thoughts, while also feeling worthless, guilty, or in despair
Experiencing irritability and impulsivity while also feeling deeply sad or tearful
Having trouble sleeping, noticing changes in appetite, and in the most severe cases, having self-harm or suicidal thoughts
These mixed episodes can be especially destabilizing. They’re also riskier because they combine the low mood and hopelessness of depression with the high energy and impulsivity of mania. That combination may make someone more likely to act on difficult thoughts than when in a depressive state alone.
Rapid Cycling, in contrast, refers to a pattern of four or more mood swings a year. In this case, episodes of mania, hypomania, depression, or mixed states can move more quickly than in a more typical pattern of bipolar disorder. For some people, cycling can happen even faster—with shifts occurring over the course of weeks or, more rarely, days.
Rapid cycling can be exhausting and disorienting, not only for the person experiencing it but for the people around them. It’s sometimes mistaken for mood instability, a personality trait, or just being “unpredictable.” In fact, it’s a distinct, and yes, treatable, bipolar disorder pattern. The treatment, however, is often different than a more traditional approach.
4 Types of Bipolar Disorder
No mental health condition is one-size-fits-all, and that includes bipolar disorder. It’s diagnosed as one of 4 main types, depending on the pattern, duration, and severity of the mood episodes. Knowing the difference can help with a proper diagnosis and treatment.
Bipolar I Disorder is defined by having at least one full manic episode, lasting at least seven days (shorter if the mania is severe enough to require hospitalization). Most people with Bipolar I also experience depressive episodes that typically last at least two weeks. However, a manic episode alone is enough for a diagnosis.
Bipolar II Disorder involves a pattern of depressive and hypomanic episodes, which are shorter and milder than mania. Bipolar II is not a “milder” form of Bipolar I. The depressive episodes can be just as deep, and people with II often spend more time living with depression than hypomania.
Cyclothymic Disorder is a milder yet chronic form of bipolar disorder that usually has more periods of hypomanic and depressive symptoms that don’t quite meet the full criteria for mania or major depression. Symptoms may persist for one to two years with no more than two symptom-free months at a time.
Unspecified bipolar and related disorders don’t fit neatly into the patterns above. For instance, the episodes may be too short, or they don’t meet the full symptom count required for clinical presentation. These are still legitimate and treatable. They’re just not the same as more “classic” diagnoses.
Keep in mind, this is not a list of most severe to least. A person doesn’t have to have required hospitalization for their experiences to be taken seriously. Every type of bipolar disorder (or any mental challenge, for that matter) deserves proper care and support.
At What Age Does Bipolar Disorder Start?
For most people, bipolar disorder emerges sometime in their late teens or early 20s. About half of all cases begin before the age of 25, which helps explain why it’s sometimes mistaken for typical teenage or young-adult “angst.” At least until a full manic or hypomanic episode makes it more obvious.
As we learn more about this condition, we’re discovering that bipolar disorder can appear in children and teens as well. It just looks somewhat different from how it does in adults, which can make it harder to distinguish from ADHD or typical developmental mood swings.
Early episodes, for example, are often depressive rather than manic. This is why it’s so often misdiagnosed at first as depression in the early stages—until the full picture emerges, sometimes years later.
While it’s less common, later-onset bipolar disorder does occur. And if it does, doctors will often screen it more closely to see if it’s tied to underlying causes.
No matter the onset, early episodes tend to be fairly subtle or look like something else. Unfortunately, this often delays the time it takes someone to receive an accurate diagnosis and proper treatment, which is why we emphasize the early warning signs of bipolar disorder. The sooner the pattern is recognized, the sooner someone can get the proper support they need to fit their true experience.
Treatment for Bipolar Disorder Versus Depression
It should come as little surprise that people are more likely to seek treatment during depressive episodes than manic episodes. An elevated mood doesn’t always feel like a problem. At least not at first. Sometimes it even feels like a good thing, especially if it hasn’t become severe. So why not treat just the depressive symptoms? Indeed, many people experiencing bipolar disorder are treated for depression alone—sometimes for years—before a manic or hypomanic episode reveals the need for different treatment.
Yet it’s not just a diagnosis technicality. The difference between bipolar disorder and major depressive disorder matters a great deal when it comes to treatment. See, antidepressant medications, when used without a mood stabilizer, can sometimes trigger a manic episode in someone with bipolar disorder.
A few questions can help clarify the true condition (and lead to the appropriate treatment):
Have you experienced periods of unusually high energy, reduced need for sleep, or racing thoughts—even if they’re only brief—along with the low periods?
If so, have the up periods ever caused issues of their own? Impulsive decisions, conflict, and risky behavior often lead to unfortunate consequences.
Do mood changes follow a pattern of distinct episodes, rather than just a steady “low”?
For those who have been treated for depression in the past and have noticed the higher periods described above, it’s worth discussing these symptoms with your provider directly.
Bipolar and Anxiety—Another Common Overlap
Bipolar disorder rarely shows up alone. It often comes with a bit of anxiety, quietly running in the background. Perhaps only showing up during mood episodes.
This overlap can shape how bipolar disorder is experienced. It can also make it harder to diagnose correctly. When the two are combined, people may experience:
Persistent worry or dread, even when they aren’t feeling depressed.
Restlessness or feeling keyed up, which can be hard to tell from the agitation of mania or a mixed episode.
Racing thoughts fueled by worry, rather than the expansive, high-energy racing thoughts often associated with mania.
Physical symptoms, such as a tight chest, racing heart, or trouble sleeping, independent of mood episodes.
Anxiety can also increase during mood transitions, which can be destabilizing.
The overlap can make a diagnosis that much more difficult, as anxiety symptoms may mask manic or mixed episode symptoms. Some individuals are treated for years for anxiety without anyone considering underlying mood episodes as part of the big picture. Our Anxiety Self-Assessment Quiz can help you get a clearer sense of whether anxiety is part of your picture.
If you’re diagnosed with anxiety on top of bipolar disorder, your treatment team will work with you to address both to ensure you are fully supported.
Can Bipolar Be Cured?
One of the most common questions people ask is, “Can bipolar be cured?”
The honest answer is that, currently, there is no cure for bipolar disorder. It is a lifelong condition. Please, however, do not get discouraged. “No cure” does not mean “no relief” or “no control.” In fact, there is a lot patients, with the support of their healthcare team, can do to manage the condition and live a long, productive, happy life. Treatments are now available that have been found to be highly effective.
Treatment typically includes a combination of medication, therapy, lifestyle modifications, and ongoing care.
Medications, such as mood stabilizers (rather than just antidepressants), are often the foundation of long-term treatment as they can significantly reduce the frequency and severity of episodes.
Research has shown that combining medication with psychotherapy that focuses on cognitive strategies, family involvement, and stress regulation helps people stabilize faster and stay well over the long term. Unfortunately, this pillar is often underused.
Lifestyle approaches, especially those that promote healthy sleep and stress relief, have also been found to be effective. Especially since sleep disruptions are both a warning sign and a possible trigger for episodes. Interestingly, sleep disturbances have been found to predict bipolar mood episodes with an 83% accuracy.
Since bipolar disorder tends to persist even with treatment and after a person feels stable, consistent, ongoing treatment is vital.
It’s also important to be honest. Even with excellent treatment, mood changes still happen. Again, this is part of the human condition—especially for those living with chronic conditions. Just as someone managing diabetes or hypertension may deal with occasional fluctuations in their health, despite following their treatment plan, people with mental health conditions may also see fluctuations. This doesn’t mean the treatment isn’t working. It just may need to be adjusted.
Fortunately, organizations like the National Alliance on Mental Illness (NAMI) offer ongoing education, community, and support to help people living with bipolar disorder thrive.
Understanding the Warning Signs of Bipolar Disorder Is a Big Step Forward
Bipolar disorder can be confusing and easy to misread—for both the person living with it and the people around them. Having the language to describe what you’ve been experiencing—the mania, depression, mixed episodes, rapid cycle, or overlap with anxiety—can make it all feel at least a little less overwhelming. It can also help you make the best, most informed decision about what comes next.
If you haven’t already done so, take the next step with the Bipolar Disorder Self-Assessment Quiz, a 14-question quiz based on the MDQ to help screen for both the highs and lows.
Whatever you do discover is just a starting point (it doesn’t provide a diagnosis). But this is a true step toward getting the support you need and deserve.