Blog · March 31, 2025

Decision fatigue – why your brain is too tired to make decisions by the end of the day

Have you noticed how making work-related decisions gets harder as the day goes on? Writing even a simple email takes longer than usual. Scheduling meetings gets pushed to later. Starting that important report feels way too tiring. Even tiny decisions—like what task to do first or who to call—can feel unexpectedly hard. And then suddenly you’re scrolling through social media, even though you planned to finish something important.

You might feel tired, but it could be decision fatigue.

What is decision fatigue?

Decision fatigue is a state where your brain feels mentally drained after making lots of decisions. The more choices you have to make during the day, the harder and more exhausting each next one becomes.

As a result, people might:

  • avoid making decisions 
  • rush and make poor choices
  • go with the easiest or default option
  • keep postponing decisions

Willpower isn’t endless

We like to believe we can stay motivated and focused all day long… but the truth is, willpower is a limited resource. Think of it like your phone battery—the more you use it, the faster it runs out.

When decision fatigue kicks in:

  • you’re more likely to grab fast food instead of cooking
  • you scroll on social media instead of doing something meaningful
  • or you just push everything to “tomorrow”

Social media drains you more than you think

  • Every like, swipe, and comment is a tiny decision.
  • Social media constantly bombards your brain with new information—it doesn’t let your mind rest.
  • FOMO (the fear of missing out) creates pressure to always stay updated.
  • And sometimes you end up buying things you don’t even need—just because your brain is craving an easy way to feel better.

How to break the cycle

  • Make important decisions in the morning – your brain is freshest then.
  • Simplify your decisions – choose your clothes the night before, choose an easy breakfast, and schedule breaks in advance.
  • Prioritize – you don’t have to do it all. Focus on what truly matters.
  • Take regular breaks – even a few minutes helps your brain recharge.
  • Delegate decision-making where and when it is possible
  • Set limits on social media – try screen time settings or simply ask yourself: “Do I really need this right now or is it just a habit?”

Decision fatigue sneaks up on us. We often think we’re just lazy or distracted, but sometimes our brain is simply overloaded. So slow down, make fewer choices when you can, and give yourself the space to recharge.