What it can feel like
- Low periods with sadness, numbness, exhaustion, guilt or hopelessness.
- High periods with unusually increased energy, reduced need for sleep, racing thoughts, impulsive spending or risk-taking.
- Irritability, agitation or feeling unstoppable.
- After a high period, people may feel shame, confusion or a crash in mood.
Why it can happen
- Bipolar disorder can involve biological, psychological and social factors.
- Sleep disruption, stress, substances and big life changes can sometimes trigger mood episodes.
What can help
- Track sleep, mood, energy and risky urges so patterns are easier to spot.
- Protect sleep and routine as much as possible.
- Seek professional help if mood changes feel extreme, risky or out of character.
- If someone is unsafe, severely agitated, psychotic or unable to care for themselves, urgent help may be needed.
Free support options
- Speak with a GP or local mental health service about assessment and care options.
- Use trusted information from NHS, Mind and Bipolar UK.
Important note
This guide is for education and signposting. It cannot diagnose you or replace care from a qualified professional. If you feel at risk, seek urgent local help.