John: I can't seem to concentrate on anything today.
Phrases Talking About Stress or Anxiety
I'm experiencing a significant amount of mental fatigue.
C2Meaning
I'm experiencing extreme mental tiredness and exhaustion.
Example sentences
Alice: I understand. I'm experiencing a significant amount of mental fatigue. This workload is intense.
John: Me too. I'm experiencing a significant amount of mental fatigue and need some time to rest.
Alice: Let's take a break and come back to it later.