Why Do We Need Eight Hours of Sleep?

Photo by Kinga Cichewicz on Unsplash

Scientist say that adults need between 7 and 8 hours of sleep every night, but many people still doubt this. If you’re able to function with five hours of sleep per night, it still doesn’t mean your body is not suffering.

Sleep deprivation can have some serious consequences to your health, and you may not see them immediately. This is why you need to get eight hours of sleep every night.

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Sleep helps your memory

If you’re sleep-deprived, you’ll have a harder time remembering things. Sleep contributes to our creative thinking and long-term memory, so if you want to help your brain create new memories, you need to sleep regularly. Did you know that scientists recommend sleeping after learning, as it helps with memory retention?

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Lack of sleep increases disease risk

Lack of sleep can contribute to number of chronic health conditions, including diabetes, heart disease and obesity. This is why lack of sleep is considered a public health problem.

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Sleep helps manage your appetite

If you don’t get enough sleep, your body will need more energy to stay awake and function. This is obvious, right?

Also, if you don’t get enough sleep, your brain releases chemicals that signal hunger. This can make you eat more and eventually gain weight.

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Sleep helps your immune system function

If your immune system is weakened, you’re more likely to feel tired and get ill. We all know that. A good night’s sleep will boost the effectiveness of so-called T cells that help your immune system fight infection or illness.

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