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Old 01-25-2019, 07:56 PM   #1
01dragonslayer
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This Is What Happens to Your Brain When You Don't Get Enough Sleep

Sleep is a basic biological necessity that profoundly affects our day-to-day life as well as our long-term well-being. After just one bad night's sleep, the quality of our entire day can be compromised—we feel sluggish, less motivated, less adept, and moodier. When lack of sleep begins adding up, though, the effects are exponential. The body and brain quickly begin to suffer the consequences of that missed shut-eye. Long story short, what happens when you don’t get enough sleep isn’t pretty. In fact, sleep deprivation is so detrimental to one’s mental and physical health that it’s even been used by the CIA as a controversial method to interrogate detainees.

Meanwhile, we often fall victim to sleep deprivation due to poor sleep hygiene, insomnia, or simply sacrificing sleep to be awake longer doing other things. And while it’s possible to bounce back from an all-nighter here and there, regularly not getting enough sleep can have some serious side effects.
Stress Spikes

Sleep is a restorative time for your body, when cells repair themselves and systems are regulated. When you don’t get enough sleep, you deprive yourself of this incredibly important restorative time. Sleep helps to regulate stress hormones and keep the nervous system healthy, so when you’re not getting enough of it, your hormones and nervous system fall out of whack. Hormones are responsible for your mood, energy, and appetite—so when these too are thrown off, sleep deprivation can really take a toll on your whole body and quality of life.
Cognitive Impairment

It goes without saying that when you lose sleep, your brain simply doesn’t function optimally. But when you’re regularly sleep deprived, what happens upstairs can be much worse than brain fog. A study tested on mice and published in The Journal of Neuroscience found sleep loss caused phagocytes—or specialized cells that engulf other cells to clear away byproducts of neural activity from the day—to go into overdrive. In other words, when you’re depriving yourself of sleep, your brain is more likely to essentially eat away at itself. Like I said, not pretty.

No New Memories

“We certainly know that a lack of sleep will actually prevent your brain from being able to initially make new memories, so it’s almost as though without sleep, the memory inbox of the brain shuts down and you can’t commit new experiences to memory,” University of California, Berkeley, neuroscience and psychology professor and Why We Sleep author Matthew Walker explains in a video on Business Insider. “So those new incoming informational emails are just bounced, and you end up feeling as though you’re amnesiac.”

Beyond that, skimping on sleep can be even more damaging for memory in the long run. “We also know that a lack of sleep will lead to an increased development of a toxic protein in the brain that is called beta-amyloid, and that is associated with Alzheimer’s disease," explains Walker. Your brain gets rid of the toxin during sleep, so if you don’t give it a chance to cleanse, the protein builds up, increasing your risk of developing dementia later in life.

High Blood Pressure

As mentioned above, when you don’t get enough sleep, your body isn’t as readily able to regulate your stress hormones. This leads to high blood pressure. Several studies have found a correlation between sleep disorders and hypertension. Additionally, studies where participants were deprived of sleep were shown to acutely increase blood pressure as well as sympathetic nervous system activity.
Overeating

Because sleep deprivation wreaks havoc on your hormones, it also messes with your metabolism and eating habits. Since the appetite is regulated by the interaction between metabolic and hormonal signals, when your hormones are imbalanced, the communication wires can become crossed. In one study, ghrelin, an appetite-stimulating hormone, had a negative association with sleep time (meaning the less sleep had, the higher the levels of ghrelin) while leptin, a hunger-inhibiting hormone, had a positive association with sleep duration.

Decreased Libido

What’s the secret to enhancing your sex drive? A good night’s rest. In a study published in the Journal of Sexual Medicine, researchers from the University of Michigan Medical School studied the sleep and sex patterns of 171 female college students over the duration of two weeks, controlling for factors like age, hormonal birth control, and antidepressants. The study found that for every extra hour of sleep a woman received, she was 14% more likely to engage in sexual activity with a partner.
Skin Woes

Last but not least, skimping on sleep definitely takes a toll on your skin. On Byrdie, we’ve regularly covered how getting a good night’s rest is one of the best things you can do for your skin. When you’re sleeping, your damaged cells have an opportunity to repair themselves. If you don’t give your body this time of rest, you’re cutting into the restorative process. Furthermore, collagen production accelerates when you sleep, helping to combat visible signs of aging like wrinkles and loss of volume.

So, ready for a nap? Us too. But now we have seven more reasons to get to bed earlier tonight.
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Old 01-25-2019, 08:06 PM   #2
Big B
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Good read. I'm sleeping a lot...
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Old 01-25-2019, 08:20 PM   #3
01dragonslayer
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Originally Posted by Big B View Post
Good read. I'm sleeping a lot...
....I need more.
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