10 Interesting Sleeping Facts

There are many interesting facts about sleeping that you probably didn't know. The study of sleep is actually pretty modern, in fact most of what we have learned about it has happened in the last 25 years. With this in mind, I have put together a list of the top 10 amazing facts about sleeping.

1. The record for the longest period without sleep is over 18 days. This person experienced hallucinations, blurred vision, slurred speech and memory lapses.

2. It is almost impossible to tell if someone is really awa...

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