If so, you may need to strengthen your concentration muscle.
According to psychology today the less distracted you are the more successful you can become.
Napoleon Hill, the author of think and grow rich says the principle of concentration is the medium by which procrastination is overcome and is the foundation of self-confidence and self control.
Merriam-Webster dictionary defines concentration as: the ability to give your attention or thought to a single object or activity
And Psychology today says: Attention is sometimes described as a spotlight that focuses your awareness on a subset of what's going on in your head or in your environment. Some people naturally have more control over the spotlight than others. Control over the spotlight can also vary in certain situations (for instance, when one is free of distractions)
Two of the biggest killers of concentration are environmental distractions and the lack of a definite purpose to focus your mind on
It seems our minds are always trying to seduce us into thinking about something other than the task at hand - according the psychology today our minds are in a wandering, distracted state over 30% of the time and for some people it's as high as 70%
All is not lost.
According to psychologists there's a strip of neurons in your prefrontal cortex, just behind your forehead—your brain’s executive center -- that can be strengthened by practicing concentration each day, even if only for a few minutes.
In research at Emory University by Wendy Hasenkamp she imaged the brain of volunteers while they paid attention to their breath. They didn’t try to control their breathing in any way, but just concentrated on its natural flow.
She found there are four basic moves in the mind’s workout for focused attention:
1) Bring your focus to your breath.
2) Notice that your mind has wandered off.
3) Disengage from that train of thought.
4) Bring your focus back to your breath and hold it there.
And the next time your mind wanders off and you notice that you’re thinking about, say, your lunch rather than your in breath, repeat that basic mental rep again. And again.
Hope this helps