Daily Science Fact-How fast does the air travel when you sneeze?

How fast does air travel when you sneeze?

When you sneeze the air and other particles travel around 100 miles an hour. Sneezing is a reflex your body uses to get rid of irritants such as germs,  pollen, dust, pollutants, or animal dander.

Sneezing cannot occur during sleep due to REM atonia – a bodily state where motor neurons are not stimulated and reflex signals are not relayed to the brain.

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Daily Science Fact: Do stick insects sleep?

 

Scientists that study insects agree that some insects do sleep or at least rest. However, what about stick insects?

The answer is that we don't really know. 

What is known by careful observation is the stick insects appear to rest when they show no activity. In other words, stick insects have periods during the day with no movement or activity. Is this sleep or rest? 

Because insects don't have eyelids they don't close their eyes but otherwise, the insect can appear asleep. 

Sleep and rest are vital for humans and insects in order to restore our bodies and remain sharp mentally.

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Daily Science Fact: How long does it take to fall asleep?

On average most people fall asleep in 7 minutes. 

Your body’s internal clock is controlled by an area of the brain called the SCN (suprachiasmatic nucleus). 

The SCN is located in the hypothalamus. 

One of the most important chemicals involved in this process is melatonin, a hormone that makes us feel sleepy. The amount of melatonin in your body starts increasing in the evening and peaks in the middle of the night.

Most people sleep 8 to 9 hours a night. 

Scientists have found that sleeping too much can be as harmful as sleeping less than 6 hours each night.

The sweet spot for sleeping for most people is 7 to 9 hours a night.

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