Inattention is the state of not paying attention or not focusing on what you should be focusing on. When you drift off during a math lesson and realize you missed the teacher explaining how to solve the problem, that's inattention. When you're reading a book but thinking about your upcoming soccer game instead, you're experiencing inattention.

Inattention happens to everyone. Your mind might wander during a long assembly, or you might miss what your friend just said because you were distracted by something across the room. The key difference between occasional inattention and a real problem is how often it happens and whether it interferes with learning or completing tasks.

Teachers and parents sometimes notice patterns of inattention: forgetting instructions right after hearing them, losing things constantly, or making careless mistakes, not from lack of knowledge but from not paying close enough attention. Some people struggle with inattention more than others due to how their brains are wired, but everyone can improve their focus with practice and by removing distractions.

The opposite of inattention is concentration or attentiveness. When you give something your full attention, you notice details, remember information better, and do higher quality work.