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The United Nations considers sleep deprivation to be a form of torture because not getting enough sleep will not only make you cranky, but in some cases it can kill you.
The longer the period of sleep deprivation, the worse. Lack of sleep affects people differently, but in general, the effects increase over time. Only 48 hours without sleep can be considered severe sleep deprivation, but before you reach this stage you may experience symptoms early on.
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After 6 hours without sleep, you may feel a little drunk. And staying awake for a long time equates to a blood alcohol level of 0.05%, which you get with three or four drinks in two hours.
After 24 hours without sleep, the comparison with the blood alcohol level jumps to 0.1%, above the legal limit for driving in the United States. You may find yourself battling “brain fog” and being less alert, including double or blurred vision, as if you are extremely drunk. This is because sleep deprivation slows the ability of brain cells to communicate with each other.
And while caffeine can make you more alert for several hours, it won’t work until a certain point.
Within a day and a half, it could all get worse and your chances of getting sick are higher than usual because your body can’t fight like it always does, and at this time your mind and body are so tired that you start to have narcolepsy, which are periods of extreme drowsiness of very short duration. It can take about 30 seconds and you might not even notice it. And it would definitely be boring and dangerous if you did something like drive a car.
Then there is the possibility of hallucinations and the most common visual distortions. You may also experience sensory or auditory hallucinations, such as feeling that someone is not there by patting you on the shoulder or hearing your name call (an inaudible ghostly whisper).
Once you reach 48 hours of sleep deprivation, it is real torture, which is why severe sleep deprivation studies are prohibited by law in most countries.
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Two days without sleep can cause you to lose control of anything, make hallucinations worse, and feel like reality is pulling away. And you will face extreme anxiety, irritability, tension, and fatigue.
After 72 hours, you won’t be able to think about anything, you will even forget to do simple tasks like getting dressed or finding a snack, and you may feel overwhelmed as your ability to regulate your emotions is basically out of control. And your hallucinations can become more complex, creating fully formed images around you like a person, a bear, or maybe a car.
And in at least four historical sleep studies, participants reported shared hallucinations, the so-called hat phenomenon, which is basically a feeling of pressure around your head as if you were wearing a hat. All of this opens the door to madness, depression and delusions.
What if you go 96 hours or more without sleeping. Say goodbye to reality because there will be more hallucinations and paranoia (paranoia) and can lead to sleep deprivation psychosis, which is a startling and comprehensive picture of the real world.
As for the fifth day, it is sometimes called the turning point, being the danger zone, where mental health deteriorates sharply, which reinforces your illusions as a new reality. Ultimately, your brain will stop working properly in a way that could lead to organ failure and, in rare cases, death.
Fortunately, recovering from sleep deprivation can be as easy as making up for sleep, but if you are regularly sleep deprived, the underlying causes need to be investigated to address it. It could take weeks to get back on track. According to one study, it takes four days to recover after losing an hour of sleep.
Source: Business Insider
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