Lack of sleep affects willpower from "summary" of The Willpower Instinct by Kelly McGonigal
When you're tired, it's no secret that you're more likely to give in to temptation. But why does this happen? Lack of sleep affects the areas of the brain responsible for self-control and decision-making. When you're sleep-deprived, your brain's prefrontal cortex - the part of the brain that helps you make wise decisions and control your impulses - becomes less active. This means that you're more likely to act on impulse and make unhealthy choices when you're tired. Furthermore, lack of sleep also affects your brain's reward center. When you're sleep-deprived, your brain craves rewards more intensely, making you more susceptible to giving in to immediate gratification. This is why you might find it harder to resist that late-night snack or skip your workout when you haven't gotten enough sleep. In addition to affecting your brain's decision-making processes, lack of sleep can also impact your mood and stress levels, further compromising your willpower. When you're tired, you're more likely to feel irritable, anxious, and stressed out. This can make it harder to stay focused, motivated, and disciplined in the face of temptation.- The connection between lack of sleep and willpower is clear: when you're sleep-deprived, your ability to resist temptation and make healthy choices is significantly compromised. By prioritizing good sleep habits and making sure you get enough rest, you can set yourself up for success when it comes to maintaining willpower and achieving your goals.
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