Filed under: Fatigue
When you have to focus continuously for long periods of time, your brain does, in fact, become tired. Take a break: The symptoms of being mentally burned out can include irritability, lashing out at others, inability to plan, problems with decision-making, lack of drive, and performance errors. Mental fatigue can set in before you’re even aware you need a break, leading to the types of attention problems that ultimately lead to poor performance.
Mental fatigue can also include:
- Lack of clarity in your own head
- Conflict between what you’re thinking and what you are actually doing
- Feeling like you are in over your head
Mental fatigue can also make you feel tired physically, which is why it can be a greater risk for those who must sustain both focus and physical alertness. A brain busy with non-relevant matters also can be tied to feeling “spent.” You not only lose your mental edge and feel more exhausted, but you probably won’t push yourself physically as hard as you need to.
Fortunately, there are ways to combat mental fatigue. The best way is take a break and escape to a place you find relaxing or inspiring. However, if you’re in an office or on a mission, there are various mind-body strategies you can try. Mindfulness techniques are “mental push-ups” that strengthen as well as refresh your brain, so give them a try and give your brain a break.
It’s been commonly thought that exercise can ward off the effects of sleep loss, but it turns out that exercise only mitigates sleepiness and fatigue for an hour and doesn’t seem to have any effect on boosting performance throughout the day. Although regular exercise—both strength training and high-intensity endurance—does help you sleep better, it can’t replace lack of sleep—only actual sleep will do that. The loss of sleep affects physical performance primarily by reducing your motivation to exercise—so, when thinking about your workout plan for the week, include a plan to get enough sleep.
For information on how to improve the quality and length of your sleep, check out HPRC’s Mind Tactics Sleep Optimization section. For information on how sleep loss impacts other areas of fitness, check out the HPRC’s Total Force Fitness article The impact of sleep loss on total fitness, and for information on physical fitness check out HPRC’s Physical Fitness domain.
Getting in the best shape of your life requires you to push your training regime to the limit. However, without appropriate rest periods and diet, this can lead to serious conditions known as “non-functional overreaching” (NFO) and “overtraining syndrome” (OTS). What occurs is that your performance begins to decline, even though you are training as hard as ever, and you start to feel tired and “stale.” Read HPRC’s Overview “Overtraining—what happens when you do too much” to learn about the serious implications of these conditions for Warfighters.