Being Tired Affects Your Brain and Performance

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Being tired is truly irritating, and generally enough to make me understand I have to toddle  off to bed. However, there are bunches of different ways being drained influences us that aren’t as self-evident.

Understanding them doesn’t as a matter of course mean we can defeat them, yet we can be more aware of the impacts and—all the more essentially—attempt to avoid lacking sleep at all.

Being Tired Means We Take Less Risks

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When it comes to making decisions, you might think being tired is a bad state to be in—especially for important choices. It could depend on what the decision is, though.

Research shows that we’re more likely to lean towards safe choices when we’re tired. For instance, gambling less, or being less likely to take a risk on something unproven. A series of five studies found that participants who were tired were less likely to engage in risky behaviors, more likely to choose products emphasizing safety features and more likely to take precautions like having health tests done.

If you’re making a decision about your health, or spending money, you might see this trend as a good thing. Try going shopping when you’re tired and see if you’re less likely to make impulse purchases—that could be an interesting experiment.

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On the other hand, you’re probably less likely to take a chance on meeting someone new or trying a new experience when you’re tired. The studies I mentioned above found that participants felt more vulnerable to risks when they were tired, which lead to more cautious choices. This could be an issue if you’re attending a networking event or you’re traveling and you want to be able to take small risks to get more out of the experience.

Knowing how being tired can affect your choices means you can prepare in advance by taking a nap before a social event or managing your schedule while traveling to make sure you get plenty of sleep.

When We’re Tired We Fall Back on Old Habits

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When I was researching my recent post about junk food cravings, I was surprised to find out that we don’t necessarily make unhealthy food choices when we’re tired. In fact, we actually fall back on whatever our normal habits are. So for me, that equals eating unhealthy food that’s quick and easy, but for someone who’s put in the effort to build up healthy eating habits, that’s what they’ll fall back on when they’re tired.

This can work in pretty much all areas of your life. For instance, if you have a really solid habit of going for a short walk before bed every night, being tired will mean you fall into that habit more easily, rather than resisting the effort. It’s actually more effort to resist your habitual actions, even if they’re healthy ones.

That’s pretty good news. It means if you can be bothered to put in the effort of building up strong, healthy habits, you can relax in the knowledge that being tired shouldn’t make it harder to keep them up.

As you start building up these habits, those tired moments will inevitably be a struggle as your old habits want to kick in.

Tired Bodies Don’t Perform as Well

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It’s not just our thinking that’s affected by being tired. Our bodies struggle to perform as well as they can without enough sleep, too.

Research has actually found that being tired means athletes perform at lower levels than they’re normally able to. Our reaction times and strength suffer from being tired, and we struggle to get as much out of our bodies. Several studies have found an improvement in sports performance after athletes get more sleep on a regular basis. The results have been consistent across swimming, tennis, basketball and football.

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Our bodies also need sleep to recover properly from exercise or training. If we don’t sleep enough to let our muscles recover, they’ll perform worse the next day as well, and our potential for injury increases. So lack of sleep over time is even more dangerous as the effects start to compound.

 

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