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What's the world record for not sleeping?

11 days and 25 minutes The longest time a human being has gone without sleep is 11 days and 25 minutes. The world record was set by … American 17-year-old Randy Gardner in 1963.

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The longest time a human being has gone without sleep is 11 days and 25 minutes. The world record was set by American 17-year-old Randy Gardner in 1963. Others including Finland’s Toimi Soini and the UK’s Maureen Weston and Tony Wright have since claimed to have beaten this time, but none of them were studied as closely as Gardner. Without close monitoring it is difficult to verify these claims. The effects of sleep deprivation are well documented, with symptoms including irritability, taking longer to make decisions, and cognitive rigidity, in which individuals can only think about things in one fixed way. Other side effects include loss of motivation, higher blood pressure, paranoia, memory issues, mood changes, visual problems, hallucinations and difficulties with speech. Gardner’s record was observed by William Dement, who noted that Gardner experienced many of these side-effects, including an impairment of his cognitive and sensory abilities. He didn’t consume any stimulant drugs to keep himself awake, but did have people around him to distract him from falling asleep. When the experiment ended, Gardner had been awake for 264 hours and 25 minutes. He then had 14 hours of sleep before waking up to use the bathroom. We have no verified examples of anyone staying awake longer than Gardner, and we still don’t know for sure how long human beings can survive without sleep. The long term side effects of a lack of sleep can be serious. Lab rats deprived of sleep die within a month, and people with the rare hereditary disease fatal familial insomnia (ffi), who lose the ability to sleep, can meet the same fate within three months. So will your body eventually force you to sleep if you don’t go to bed on time? Anyone attempting to stay awake for long periods of time will likely end up slipping in and out of “microsleeps” – seconds of sleep that occur without you noticing them, often with your eyes open.

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Will a Bush grow back if you cut it down?

Do Trees Grow Back After Being Cut Down. Yes, they can. That's why it's essential to be knowledgeable about tree growth when you need to remove one permanently. When this survival mechanism is triggered, single, or multiple sprouts may appear.

Is the tree you cut down trying to grow back from the stump? Many times, when trees get cut down, the stump and roots will continue to send out new growth. Knowing why they do this and what to do with it once the tree is gone can save you loads of time, effort, and money. 72tree.com assembled the following information on why trees grow back after being cut down, how to kill a tree stump, and remove it.

Do Trees Grow Back After Being Cut Down

Yes, they can. That’s why it’s essential to be knowledgeable about tree growth when you need to remove one permanently. Cut trees with enough stored sugars and nutrients in their roots can produce sprouts from the roots and trunk as a measure of survival and reproduction. The following species will commonly sprout after being cut down:

• Poplars

• Maples

• Lindens

• Boxelder

• Red Oak

• Willows

• Beech

• Ash

When this survival mechanism is triggered, single, or multiple sprouts may appear. If left unabated, these sprouts will grow into trees without having grown a stable root plate, and likely pose a much more immense falling hazard than the original tree.

How to Stop Tree Stumps and Roots from Sprouting

Before you select a method to kill or remove a tree stump, evaluate the potential impact on the environment and immediate surroundings. The following are methods to eliminate tree stumps from sprouting:

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