Why Being Conscious All the Time Is Exhausting
There’s a certain kind of exhaustion that doesn’t come from doing too much. Instead, it comes from thinking too much:
From constantly evaluating, deciding, adjusting, and choosing.
From trying to do things “the right way.”
From being aware of your patterns, habits, and reactions, and trying to frequently change them.
It’s the kind of tiredness that shows up even on days when you didn’t do anything that seems demanding, and you’re left wondering: Why do I feel so drained when I haven’t actually done that much?
Part of the answer is that being conscious all the time uses a significant amount of mental energy.
The Mental Energy Cost of Constant Decision-Making
Most of us move through our days making hundreds (even thousands) of small decisions.
What to wear. What to eat. When to respond. How to respond. Whether to rest or push through. Whether something is “worth it.” Whether you’re doing enough.
Individually, these decisions don’t seem like much, but collectively, they require a steady output of mental energy.
Research on decision fatigue shows that our ability to make thoughtful, regulated choices decreases as we continue making decisions throughout the day. This happens because we have a limited supply of mental energy for self-regulation (Vohs et al., 2008).
The more you ask your brain to consciously choose, evaluate, and override impulses, the more your mental energy becomes depleted. This depletion can affect your productivity, emotional regulation, patience, and ability to follow through on the very changes you’re trying to make.
Awareness Requires Mental Energy
There’s value in becoming more conscious. You’re able to notice your patterns, interrupt old habits, and make different choices, all of which help you grow. But what often gets left out of the conversation is that this level of awareness requires mental energy.
When you’re learning something new, whether it’s setting boundaries, changing a habit, or responding differently in relationships, you’re asking your brain to stay engaged in a way that isn’t automatic yet.
The process of overriding default patterns takes effort.
It’s similar to learning how to drive. At first, every movement is intentional (e.g., checking mirrors, adjusting speed, watching the road). Driving for a long time in the beginning can feel mentally exhausting. Over time, those actions become automatic and require far less mental energy.
The same is true for emotional and behavioral change.
Why Habits Help Preserve Mental Energy
This is where habits become less about productivity and more about protecting your mental energy.
When something becomes a habit, it requires significantly less conscious effort. You’re no longer making a new decision each time. The behavior becomes more automatic, which reduces the ongoing demand on your mental energy.
Research on habit formation shows that repeated behaviors become more efficient over time, allowing people to act with less cognitive effort and greater consistency (Lally et al., 2010).
This is why routines can feel grounding and calming. They reduce the number of decisions you have to make, which helps you conserve your mental energy for the things that require more of your attention.
Why Change Drains Mental Energy
If you’re in a season of trying to build new habits or shift old patterns, it makes sense that things feel harder right now. There’s an in-between phase where old habits no longer feel aligned, but new habits aren’t automatic yet, so everything requires conscious effort and more mental energy.
You might find yourself thinking:
- Why is this taking so much out of me?
- Why can’t I just do this consistently?
- Why does this feel harder than it should?
It’s not because you aren’t trying hard enough or don’t have enough discipline. It’s the natural cost of change. You’re using more mental energy because you’re actively noticing, choosing, and redirecting patterns that used to run automatically.
How to Work With Your Mental Energy (Not Against It)
Instead of expecting yourself to be fully conscious and intentional all the time, it can be more helpful to ask:
Where can I reduce the demand on my mental energy?
This might look like:
- Creating a simple morning routine so you’re not deciding how to start your day
- Rotating a few go-to meals instead of deciding from scratch each night
- Setting consistent times for certain tasks
- Limiting how many habits you’re trying to change at once
- Setting out your outfit the night before
When you reduce decision fatigue, you preserve mental energy for the parts of your life that matter most to you, such as your relationships, creativity, emotional presence, career, or other meaningful work.
Allowing for Gradual Change
One of the most important ways to protect your mental energy is to pace yourself.
Sustainable change usually looks like:
- One small habit at a time
- One repeated action
- One decision that eventually becomes automatic
Trying to change everything at once often leads to burnout, because your mental energy is being stretched too thin.
You Don’t Have to Do This Alone
Even when you simplify and slow things down, it can still be a lot to carry on your own. Reaching out to a trusted friend, therapist, or peer group can give you extra support as you untangle aspects of your life.
Working with a therapist can help you:
- Clarify which changes you want to prioritize
- Understand the patterns behind your behaviors
- Create systems that reduce demands on your mental energy
- Move through change with more structure and support
A Different Way to Think About Mental Energy
Instead of asking: How can I be more disciplined?
Try asking: How can I use my mental energy more sustainably? Where do I want to focus my attention, and where can I let myself rest?
Growth doesn’t come from constant effort. It comes from building habits, routines, and supports that allow you to show up without needing to think so hard every time.
The goal isn’t to be conscious all the time. The goal is to create a life where your mental energy is supported, not constantly depleted.
Stuck Overthinking or Exhausted From Decision Fatigue?
If you feel trapped in cycles of exhaustion and overthinking, therapy can be a great place to find intentional support. At Those Natural Things, you’ll have a nurturing space to pause, reflect, realign with what’s most important to you, and care for yourself. To begin therapy or to see if our services are a good fit for you, please reach out for a free consultation.
References
Lally, P., van Jaarsveld, C. H. M., Potts, H. W. W., & Wardle, J. (2010). How are habits formed: Modelling habit formation in the real world. European Journal of Social Psychology, 40(6), 998–1009. https://doi.org/10.1002/ejsp.674
Vohs, K. D., Baumeister, R. F., Schmeichel, B. J., Twenge, J. M., Nelson, N. M., & Tice, D. M. (2008). Making choices impairs subsequent self-control: A limited-resource account of decision making, self-regulation, and active initiative. Journal of Personality and Social Psychology, 94(5), 883–898. https://doi.org/10.1037/0022-3514.94.5.883
