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Everyone's mood changes. For people living with bipolar disorder, the shifts in mood and energy can be more intense and follow distinct patterns. Understanding how it works can reduce stigma, for individuals and the families around them.
Everyone experiences changes in mood from time to time. For individuals living with bipolar disorder, these shifts in mood and energy can be more intense and occur in distinct patterns over time. Bipolar disorder is a recognised mental health condition that affects how the brain regulates mood, energy and activity. Understanding it can help reduce stigma and confusion, for individuals and for their families and support networks. While it can present challenges, many people successfully manage the condition with the right combination of treatment, self-awareness and supportive relationships.
Bipolar disorder typically involves distinct mood episodes. During periods of elevated mood (mania or hypomania), individuals may experience:
Hypomania is generally less severe than mania but can still affect judgement and behaviour. During depressive periods, individuals may experience:
These episodes may last days, weeks or sometimes longer. Many individuals experience periods of relative stability between episodes.
Bipolar disorder is associated with differences in how the brain regulates mood and emotional responses. Brain regions responsible for emotional processing and decision-making, including areas within the prefrontal cortex and limbic system, may function differently during mood episodes. Neurotransmitters such as dopamine, serotonin and norepinephrine play important roles in mood regulation, and changes in their activity are believed to contribute to fluctuations in mood and energy.
Sleep and circadian rhythm regulation also matter: the brain’s internal clock influences mood stability, and disruptions in sleep are often associated with the onset of episodes. Genetic factors contribute as well: bipolar disorder tends to occur more frequently within families. Importantly, it is not caused by personal weakness or lack of willpower; it reflects complex biological and psychological processes.
Bipolar disorder develops through a combination of biological and environmental influences. Contributing factors may include (but are not limited to) genetic vulnerability, significant life stress, trauma or adverse experiences, sleep disruption, substance use and major life transitions. Sleep changes appear particularly important, and many individuals notice that disruptions to sleep can precede episodes.
One common misconception is that bipolar disorder simply means someone is “moody” or emotionally unpredictable. In reality, it involves complex changes in brain regulation that produce distinct mood episodes. Another misunderstanding is that individuals cannot maintain stable relationships or careers; in fact, many people lead fulfilling lives when the condition is effectively managed. There is also a belief that elevated mood is always enjoyable or productive; while hypomania may feel energising, manic episodes can involve impaired judgement, risk-taking and significant distress.
Bipolar disorder affects approximately 2-3% of the population worldwide, and often first appears during late adolescence or early adulthood. Neuroscience research has identified differences in brain networks involved in emotional regulation, reward processing and cognitive control. Long-term studies show that consistent treatment significantly improves outcomes, reducing the frequency and severity of episodes, often through a combination of medication, psychological therapies and lifestyle strategies. Stable sleep patterns and supportive social relationships are important for long-term stability.
Involves at least one manic episode, which may be severe enough to require hospitalisation. Depressive episodes often occur as well.
Involves hypomanic and depressive episodes, but not full manic episodes. Depressive periods may be longer or more frequent.
Involves ongoing fluctuations between milder hypomanic symptoms and depressive symptoms over extended periods.
Recognising early warning signs can help individuals respond before an episode becomes more severe. Possible early signs of mania or hypomania include reduced need for sleep, increased activity or restlessness, racing thoughts, and heightened irritability or excitement. Early signs of depression may include persistent fatigue, withdrawal from social activities, difficulty concentrating, and changes in sleep or appetite.
Tracking mood, sleep and energy levels can help identify patterns and early warning signs. Mood-tracking journals or digital tools are commonly used to support this awareness.
Consistent sleep routines are one of the most protective factors for mood stability: regular sleep and wake times, limiting late-night stimulation, and prioritising rest during stressful periods.
Approaches that may help include cognitive behavioural therapy, interpersonal and social rhythm therapy, and family-focused therapy. These help individuals understand triggers, develop coping strategies and strengthen communication within relationships.
Medication is often an important component of treatment. Mood stabilisers and other medications may be prescribed by psychiatrists to help regulate mood and reduce the risk of episodes.
Strong support networks (family, trusted friends, peer support groups and mental health professionals) can make a significant difference.
Helpful approaches include listening without judgement, learning about the condition together, encouraging consistent treatment and professional support, maintaining clear and respectful boundaries, and recognising early warning signs. It is also important for supporters to care for their own wellbeing; supporting someone with a mental health condition can be emotionally demanding.
At Discovery Family Therapy, we often support individuals and families navigating complex emotional experiences, including mood disorders such as bipolar disorder. Our approach focuses on understanding each person’s unique experience, strengthening supportive relationships, and developing practical strategies that support emotional stability and wellbeing.
Beyond Blue · Black Dog Institute · SANE Australia · Headspace, reliable mental health information and support services within Australia.
Grande, I. et al. (2016). Bipolar disorder. Lancet.
Rowland, T. A. & Marwaha, S. (2018). Epidemiology and risk factors for bipolar disorder.
Geddes, J. R. & Miklowitz, D. J. (2019). Treatment of bipolar disorder.
National Institute of Mental Health (2023). Bipolar disorder.
This article is general information and is not a substitute for individual medical or psychological assessment.
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