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Here’s the Truth About Overthinking (And How to Break Free)

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Written by Andrew Le, MD.
Medically reviewed by
Last updated July 21, 2025

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Overthinking happens when your thoughts keep circling the same issue without finding a solution. You may replay past mistakes or worry about what might happen in the future. Instead of moving forward, your mind stays stuck in a loop. This can leave you feeling anxious, tired, and unsure of what to do next.

According to research, overthinking affects millions of people and can lead to serious problems like insomnia, poor concentration, and even depression. It is not just a harmless habit. If left unaddressed, it can get worse over time and affect both your mental and physical health.

Why do some people overthink more than others? Factors like fear of failure, perfectionism, low self-esteem, and past trauma often play a role. People may try to prepare for every possible outcome just to feel safe. But instead of helping, this behavior leads to more worry and stress.

You don’t have to stay trapped in this cycle. This article will help you understand what causes overthinking and show you how to break free from it using proven strategies.

What Is Overthinking?

Overthinking is when your mind repeats the same thoughts over and over, often without finding real solutions. These thoughts can be about the past or about things that might happen in the future. Instead of helping you, overthinking tends to make problems feel bigger and more overwhelming.

There are two main types of overthinking:

  1. Rumination – replaying past mistakes, regrets, or what you should’ve done differently
  2. Worry – imagining future problems, dangers, or “what if” scenarios

Overthinking is not the same as problem-solving. While problem-solving:

  • Look for answers
  • Takes action
  • Leads to progress

Overthinking instead:

  • Loops thoughts without direction
  • Feels like you're being careful, but actually causes more doubt
  • Makes you feel stuck and more anxious

Over time, this cycle can become a habit. It can:

  • Disrupt your sleep
  • Lower your mood
  • Strain your relationships

Understanding that overthinking is not productive thinking is the first step toward breaking free from it.

Why We Overthink

Overthinking doesn’t happen for no reason. It often starts with how we see ourselves or the world around us. Some people overthink because they want to stay safe or avoid failure. Others do it because of past experiences that made them feel unsure or scared.

Here are some common reasons why people overthink:

  • Perfectionism – Wanting everything to be perfect can make you overanalyze every little detail.
  • Fear of the unknown – Not knowing what will happen next can lead you to imagine every possible outcome, especially the bad ones.
  • Low self-esteem – Doubting your worth or abilities can cause you to second-guess your decisions and actions.
  • Need for control – Trying to control things that are out of your hands can keep your mind spinning.
  • Past trauma – Negative experiences can leave strong memories that cause your brain to stay on high alert.
  • Anxiety – According to research, anxiety often fuels overthinking by making your brain try to prepare for things that haven’t even happened.

These causes can feed into each other and create a cycle that feels hard to break. But once you know where your overthinking comes from, you can start working on ways to stop it.

The Mental and Physical Toll of Overthinking

Overthinking doesn’t just stay in your head—it can wear down your whole body. When your brain is always busy with negative thoughts, your health starts to suffer. You may not notice it right away, but over time, the effects can become serious.

Mentally, overthinking increases your risk for conditions like anxiety and depression. According to studies, overthinking can also cause decision paralysis, which means you feel stuck and unable to make even simple choices. This constant cycle of worry drains your energy and makes daily life feel overwhelming.

Physically, overthinking can trigger stress-related problems. Your body releases stress hormones like cortisol when your mind is in overdrive. These changes can lead to:

  • Headaches
  • Trouble sleeping
  • Fatigue
  • Digestive issues
  • High blood pressure

It also affects how you relate to others. You might start avoiding people or pulling away from your loved ones. Misunderstandings can happen when you assume what others think without checking. Over time, this can damage your relationships and make you feel more alone.

The mind and body are connected. When your thoughts become harmful, your body feels the weight too. That’s why learning how to manage overthinking is not just good for your mind—it’s essential for your overall health.

Unhelpful Thought Patterns to Watch Out For

Overthinking often comes from patterns of thinking that are not helpful. These patterns twist how you see situations and can make things feel worse than they are. When these thoughts repeat, they keep you stuck in worry and fear.

Here are some common unhelpful thought patterns:

  • Catastrophizing – This means imagining the worst-case scenario in every situation, even when the chances are low.
  • Black-and-white thinking – You see things as either all good or all bad, with no in-between.
  • Personalization – You blame yourself for things that are not fully your fault or think others’ actions are about you.
  • Mind reading – You believe you know what others are thinking, often assuming the worst.
  • Overgeneralizing – One bad thing happens, and you assume it will always happen again.

These thoughts can seem real in the moment, but they are often misleading. According to experts in cognitive behavioral therapy (CBT), challenging these patterns is the first step to thinking more clearly.

Once you start to notice these thought habits, you can begin to change them. You don’t have to believe every thought you have. Some thoughts are just noise, and it’s okay to let them go.

Warning Signs That Overthinking Is Getting Worse

Sometimes overthinking starts small, but it can grow into something more serious. If left unchecked, it may affect your daily life, health, and ability to think clearly. Knowing the warning signs can help you take action early.

Here are signs that overthinking is becoming harmful:

  • Sleep problems – You lie awake at night, unable to stop your thoughts.
  • Physical symptoms – You feel frequent headaches, stomach pain, or muscle tension with no clear cause.
  • Trouble focusing – You find it hard to concentrate or finish tasks.
  • Avoiding decisions – You delay choices out of fear that something will go wrong.
  • Withdrawing from others – You avoid people because you're stuck in your head.
  • Loss of interest – You stop enjoying activities you once liked.
  • Feeling stuck or hopeless – You believe nothing will ever get better.

Overthinking can lead to anxiety, depression, and even physical health problems if not addressed. These warning signs mean it’s time to slow down, reach out, and use the tools you’ve learned to regain control. Early support can prevent things from getting worse.

Self-Care Practices That Support a Calmer Mind

Taking care of your body and emotions can reduce overthinking. When your basic needs are met, your brain is less likely to spiral into stress. Self-care is not selfish—it’s a way to give your mind space to rest and recover.

Here are simple self-care practices that help calm your thoughts:

  • Get regular exercise – Moving your body lowers stress and helps you stay grounded. Even a short walk can clear your mind.
  • Eat balanced meals – Nutritious food supports brain health. Avoid too much caffeine or sugar, which can increase anxiety.
  • Prioritize good sleep – Go to bed and wake up at the same time each day. A rested brain handles thoughts more calmly.
  • Write things down – Journaling gives your thoughts a place to go. It helps you see patterns and let go of mental clutter.
  • Do something creative – Drawing, painting, or even cooking can help shift your focus away from worry.
  • Spend time in nature – Being outside, even for a few minutes, can relax your nervous system and bring clarity.
  • Set screen-time boundaries – Too much time on social media or news sites can overload your brain. Take regular breaks.

These habits don’t erase overthinking overnight, but they give your mind the care it needs to slow down. The more you build these practices into your day, the more space you create for calm, focus, and peace.

Creating a Routine to Stay Mentally Balanced

A daily routine gives your brain structure and helps reduce the need to overthink. When you know what comes next, you spend less time worrying or guessing. Routines also support your mental health by adding calm, focus, and purpose to each day.

Here’s how a routine can help:

  • Reduces decision fatigue – You don’t have to think too hard about what to do next.
  • Adds predictability – Having regular tasks makes the day feel more stable and less chaotic.
  • Builds healthy habits – A set time for sleep, meals, movement, and rest improves mood and energy.
  • Keeps you focused – Routines help you stay on track with goals and reduce distractions.
  • Supports rest and recovery – Planned breaks give your mind time to relax and reset.

Start small. Choose one or two habits to add to your day, like a morning walk or a bedtime routine. Write out your schedule and adjust it as needed. It’s okay if things don’t go perfectly. What matters is creating a rhythm that supports your peace of mind.

The Role of Support Systems in Overcoming Overthinking

You don’t have to face overthinking alone. Having people you trust can ease the weight of your thoughts. Talking to someone helps you feel heard and gives you a new way to look at things. Sometimes, just saying your thoughts out loud can make them feel less scary.

Support systems can include:

  • Friends and family – A quick conversation with someone who listens can help you feel calm and understood.
  • Support groups – Talking with others who face similar struggles reminds you that you’re not alone.
  • Therapists or counselors – They can guide you through deeper issues and teach tools that match your needs.
  • Mentors or teachers – These trusted adults can offer wisdom and perspective when you feel stuck.

Good support systems don’t fix everything, but they give you strength when your mind feels heavy. If someone cares about you, let them in. Overthinking grows in silence, but it shrinks when shared with the right people.

Choosing a New Way to Think

Overthinking can make you feel like you have no control over your mind. But you do have a choice. You can choose which thoughts to keep and which ones to let go. Changing how you think takes practice, but it’s possible.

Here are ways to shift your thinking:

  • Notice your thoughts – Pay attention to what your mind tells you during the day. Write them down if needed.
  • Ask better questions – Instead of “What if everything goes wrong?” try “What’s the most likely outcome?”
  • Use positive self-talk – Replace harsh thoughts with kinder ones, like “I’m doing my best” or “It’s okay not to be perfect.”
  • Focus on what you can control – Let go of trying to plan every detail. Take action on small things that matter now.
  • Tell a new story – If you always think “I’ll fail,” replace it with “I’ve handled hard things before—I can do this too.”

According to studies, your brain reacts based on what you repeat to yourself. So if you want to feel different, start by changing the story you tell in your mind. A new story can lead to a calmer, more confident life.

How Long-Term Change Happens

Breaking free from overthinking doesn’t happen in one day. It takes time, effort, and small daily steps. But every time you challenge a thought or take action instead of staying stuck, you train your brain to respond differently.

Here’s what long-term change looks like:

  • You become more aware – You notice unhelpful thoughts faster and catch yourself before they spiral.
  • You respond instead of react – You pause, breathe, and choose what to do next instead of acting on fear.
  • You feel more present – You spend more time in the moment instead of being stuck in the past or future.
  • You build trust in yourself – Over time, you make more decisions with confidence.
  • You bounce back faster – When overthinking shows up again, you have tools to handle it.

According to research, habits like mindfulness, journaling, and structured routines help rewire the brain. The more you practice these skills, the stronger they become. And over time, the need to overthink starts to fade.

Change doesn’t mean you never worry again—it means you don’t let worry control you. Keep showing up for yourself. Each small step forward adds up.

Conclusion: You Can Break Free from Overthinking

Overthinking may feel like it controls your mind, but it doesn’t have to stay that way. You have the power to change how you think and how you respond. The first step is knowing that overthinking is not a sign of weakness—it’s a pattern your brain has learned over time.

You’ve now learned what causes overthinking, how it affects your health, and the tools that can help you stop it. From simple daily habits to therapy and support systems, there are many ways to take back your peace of mind.

Every time you pause, reflect, or choose a different response, you build a healthier mindset. The process takes time, but it’s worth it. You deserve clarity. You deserve calm. And most of all, you deserve to feel free from the constant weight of worry.

You don’t have to do it alone. Help is available—and change is possible.

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The stories shared below are not written by Buoy employees. Buoy does not endorse any of the information in these stories. Whenever you have questions or concerns about a medical condition, you should always contact your doctor or a healthcare provider.
Jeff brings to Buoy over 20 years of clinical experience as a physician assistant in urgent care and internal medicine. He also has extensive experience in healthcare administration, most recently as developer and director of an urgent care center. While completing his doctorate in Health Sciences at A.T. Still University, Jeff studied population health, healthcare systems, and evidence-based medi...
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