Random Facts
Sleep facts
How do dolphins sleep?
Dolphins sleep at night just below the surface of the water. They frequently rise to the surface for air. Reference:
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Fact about a sleepy sleepy snail
A desert snail can sleep for 3 years. Reference: http://www.encyclopedia.com/doc/1G1-105619067.html
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What does "Goodnight, sleep tight" really mean?
In Shakespeare's time, mattresses were secured on bed frames by ropes when you pulled on the ropes the mattress tightened, making the bed firmer to sleep on. Hence the phrase, "Goodnight, sleep tight." Reference:
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Are they hibernating or sleeping?
Hibernation is not a deep sleep but, an actual state of dormant existence that can last weeks even months for certain types of animals. The word hibernation came from the Latin word, "wintering". Reference:
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