You snap at your partner over a plate left in the sink, or shout in traffic, then feel bad for hours. Sometimes you even cry. A short fuse usually has a cause, and finding it is the first step to changing it.
Getting angry easily usually means something is lowering your tolerance: too little sleep, hunger, stress or alcohol, or a condition such as depression, PTSD or ADHD. Anger can also cover hurt or shame. Most of these causes can be changed or treated once you know what they are.
Anger isn’t the problem
Anger is a normal emotion. It tells you something feels unfair, threatening or blocked. It becomes a problem when it comes too fast, too often or too strongly for the situation, and when it hurts you or the people around you.
The NHS lists the signs to look for:
- in your body: a faster heartbeat, tense muscles, clenched fists, a tight chest, feeling hot
- in your mind: feeling tense, being easily irritated, feeling humiliated, resenting people
- in what you do: shouting, sulking or ignoring people, starting fights, breaking things
Some people turn anger inward instead and take it out on themselves, including by self-harming.
For ways to calm down in the moment, see our guide to anger management techniques. This guide is about why it happens.
10 reasons you may get angry easily
1. You’re short on sleep
Sleep loss makes anger stronger. In a 2019 US experiment, 142 adults were randomly assigned to sleep as usual or to cut their sleep for two nights. Those who slept less got angrier at an irritating noise, and they didn’t get used to it the way rested people did.
Late nights, a noisy generator, night shifts and a baby who won’t settle all count. Our guides to insomnia and shift work can help.
2. You’re hungry
“Hangry” is real. In a 2022 study, 64 adults in Central Europe rated their hunger and mood five times a day for three weeks. When they were hungrier, they felt angrier and more irritable, even after allowing for how short-tempered each person usually was.
A skipped breakfast or a late lunch can shorten your fuse more than you think.
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3. Stress has filled you up
The NHS describes people under stress as “irritable and snappy”. When you’re already carrying money worries, a difficult boss, two hours in traffic and family demands, a small thing lands on top of a full load. That’s often why your anger seems too big for the trigger: it’s about the whole week, not the plate in the sink.
Read more about stress and money worries.
4. You’re depressed, and it’s showing up as anger
Depression doesn’t always look like sadness. The NHS includes “feeling irritable and intolerant of others” among its symptoms. In a 1993 US study of 127 adults with depression, 44% had sudden “anger attacks”, with a racing heart, sweating and a feeling of losing control. In most of them, the attacks stopped after eight weeks of antidepressant treatment.
This matters for men. In a 2013 analysis of a large US national survey, men reported more anger attacks, aggression, drinking and risk-taking than women. When those signs were counted alongside the usual symptoms, men and women were equally likely to be depressed. A man who is “just always angry” may be depressed.
Our guides to signs of depression in men and men’s mental health in Nigeria go further, and our free depression check is a private place to start.
5. Something frightening happened to you
After trauma, the body can stay on high alert. The NHS lists being “more irritable or angry than usual” among the symptoms of post-traumatic stress disorder (PTSD), along with poor sleep and constantly watching for danger. In a review of 39 studies of adults who had been through trauma, anger was strongly linked with PTSD, and the link was stronger the longer it had been since the event.
Read about PTSD in adults and childhood trauma.
6. Your hormones are changing
For some women, anger follows the menstrual cycle. Premenstrual dysphoric disorder (PMDD) is a more severe form of PMS, and the NHS says its symptoms can include feeling very anxious, angry or depressed. Around the menopause, poor sleep “can make you feel irritable, stressed and anxious”, and mood swings are common.
If your anger arrives at the same point each month, track it for a few cycles and show a doctor. Read about PMDD and the menopause.
7. You have ADHD
ADHD isn’t only about focus. In a 2020 review of 13 studies with 2,535 adults, people with ADHD had much more trouble managing their emotions than people without it, and quick, intense mood changes stood out most. If you’ve always been impulsive, easily frustrated and quick to flare, read about ADHD in adults.
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8. Alcohol or drugs are involved
Alcohol and anger are a bad mix. The World Health Organization counts violence between partners among the harms caused by alcohol. If your worst arguments happen after drinking, or the day after, notice that pattern. The NHS advises against using alcohol, cigarettes, gambling or drugs to deal with anger. If you’re drinking heavily, read how to stop drinking safely before you cut down.
9. Shame or hurt is sitting underneath
Sometimes anger is the feeling you show because the one underneath is harder to bear. In two US studies of about 500 students, people who were prone to shame (feeling that they themselves were bad) were also more prone to anger, resentment, irritability and blaming others.
Being criticised in front of colleagues or compared with a more successful sibling can set this off. Ask yourself: what was I feeling just before I got angry?
10. It’s what you learned growing up
Many of us grew up where shouting and flogging were normal, or where boys could be angry but not sad. Those patterns can become your default. In surveys of 88,063 adults across 16 countries, people who had earlier experienced physical or sexual violence were more likely to develop intermittent explosive disorder, a pattern of repeated explosive outbursts (more below). Your history explains your anger, but you can still change it.
Why is it always my partner?
Anger often comes out at home, with the people you feel safest with. If it’s mostly your partner, look at what’s happening between you as well as inside you: resentment, feeling unheard, or arguments that never get settled. Couples therapy can help with that; read what couples therapy involves.
But if your anger includes threats, hitting, controlling where your partner goes or who they see, or making them afraid, that’s abuse, whatever caused it. The person on the receiving end can find help in our guide to recognising domestic abuse.
Why do I get angry over little things and cry?
Crying when you’re angry doesn’t mean you’re weak. Anger and tears together can mean you’re overloaded, or that hurt sits under the anger. If it happens often, go back through the list: lack of sleep, stress, hormones and depression are worth checking first.
When anger is the main problem
For a small number of people, the anger itself is the condition. Intermittent explosive disorder means repeated outbursts that are far out of proportion, such as attacking people or destroying property. In surveys across 16 countries, it affected about 8 in 1,000 adults at some point in their lives, often starting in the teenage years, and most also had another condition, most often depression or a drinking problem. Mood conditions such as cyclothymia can also bring spells of irritability.
The NHS advises seeing a doctor if you’re struggling to cope with anger, if self-help isn’t working, if you’re acting in an abusive or violent way, or if your mood has been low for more than two weeks.
What helps
- Calm your body first. In a 2024 review of 154 studies with 10,189 people, activities that lower arousal, such as slow breathing, mindfulness and meditation, reduced anger. Venting, hitting a bag and going for a run to “let it out” didn’t help on average. Regular exercise is still good for stress; it just isn’t the fix in the moment.
- Fix the basics. Eat regular meals, protect your sleep and cut down on alcohol.
- Treat the cause. If depression, trauma, PMDD or ADHD sits behind your anger, treating it can ease the anger too.
- Try therapy. Cognitive behavioural therapy (CBT) is the most studied approach for anger, and reviews find it works at least moderately well. A 2025 review found that mindfulness training also lowered anger.
If you’re worried you’ll hurt someone
If you’ve frightened, threatened or hit someone, or you’re scared you might, get help now. In the moment, leave the room and put distance between you and the other person until you’re calm.
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In immediate danger, call 112, or 767 in Lagos. If you’re thinking of harming yourself, call Safe Place Nigeria on 0800 800 2000, which is toll-free and answered 24 hours a day. The full list is on our helplines page.
Getting help
You can find a therapist who works with CBT and skills-based therapy, depression and mood or trauma and PTSD, and talk by video, voice or chat. Our glossary also explains anger management.
Frequently asked questions
Why do I get angry so easily with my partner?
Anger often comes out with the people closest to you, especially when you’re tired, stressed or feeling unheard. Look at both what’s happening inside you and what’s happening between you. If the anger involves threats, control or violence, that’s abuse and needs help now.
Is getting angry easily a sign of depression?
It can be. Irritability is a recognised symptom of depression, and in men it may show up as anger, drinking or risk-taking more than sadness. If you’ve also felt low, flat or hopeless for more than two weeks, see a doctor or therapist.
Can lack of sleep make you angry?
Yes. In a US experiment, adults who cut their sleep for two nights got angrier at an irritating noise than those who slept as usual. Protecting your sleep can help lengthen your fuse.
Is it good to let your anger out?
Not by venting. A 2024 review of 154 studies found that hitting things and going for a run to let anger out didn’t reduce it on average, while calming activities such as slow breathing did. Talking it through once you’re calm is different.
This article is awaiting clinical review. It’s based on published research and health guidelines, and we’ll update it once a clinician has reviewed it.
