Infants, young children and teenagers should get more sleep in order to support growth and development. The Centers for Disease Control and Prevention (CDC) recommends that adults ages 18 to 60 aim for at least seven hours per night, although the ideal amount of sleep varies from person to person. Dissociable effects of self-reported daily sleep duration on high-level cognitive abilities. Notably, the research also found that sleeping just four hours a night was equivalent to aging eight years, and that sleeping more than usual (and closer to the optimal amount) before cognitive testing was associated with better performance-underscoring just how powerful a good night’s rest can be Wild J, Nichols E, Battista M, Stojanoski B, Owen A. Researchers found that roughly half of all participants who had slept less or more than seven to eight hours per night displayed impaired cognitive function. In one 2017 study in Sleep, 10,000 participants completed tasks in three cognitive domains-short-term memory, reasoning ability and verbal ability-and were asked about their sleep patterns. But some research suggests sleeping too much may have an impact, too. If you’ve ever spent a night tossing and turning only to feel bleary-eyed and struggling to power through the next day, you likely understand the powerful connection between sleep and cognitive function. The impact of stress on body function: A review. Overall, researchers note that the effects of stress on cognitive function vary and are typically based on factors such as timing and intensity, but in general, intense stress can cause cognitive disorders, particularly in memory and judgment Yaribeygi H, Panahi Y, Sahraei H, Johnston TP, Sahebkar A. In fact, a 2017 study notes the profound effect stress has on the body’s nervous system, and that it can even cause structural changes to the brain, leading to changes in memory and cognition. “Stress can cause a reduction in the brain’s ability to process information and make decisions due to increased blood pressure or a weakened immune system,” says Gurneet Singh Sawhney, M.Ch., a consultant neurosurgeon and spine surgeon at Fortis Hospital in Mumbai. Stress can wreak havoc on one’s daily life in various ways, particularly when it comes to cognitive function. These reasons may include the following: Stress Instead, there are many possible reasons one is experiencing cognitive delays and impairments. Brain Fog: 5 Potential Causes And How To Treat It While we work hard to provide accurate and up-to-date information that we think you will find relevant, Forbes Health does not and cannot guarantee that any information provided is complete and makes no representations or warranties in connection thereto, nor to the accuracy or applicability thereof. The compensation we receive from advertisers does not influence the recommendations or advice our editorial team provides in our articles or otherwise impact any of the editorial content on Forbes Health. Second, we also include links to advertisers’ offers in some of our articles these “affiliate links” may generate income for our site when you click on them. This site does not include all companies or products available within the market. The compensation we receive for those placements affects how and where advertisers’ offers appear on the site. First, we provide paid placements to advertisers to present their offers. This compensation comes from two main sources. To help support our reporting work, and to continue our ability to provide this content for free to our readers, we receive compensation from the companies that advertise on the Forbes Health site. The Forbes Health editorial team is independent and objective.
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