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We spend approximately one-third of our life sleeping. |
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People can take "cat naps" with their eyes open and not even know it. |
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If you fall asleep as soon as your head hits the pillow, you're probably sleep deprived. The ideal time to fall asleep is between 10 and 15 minutes. |
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Seventeen hours of sustained wakefulness leads to a decrease in performance equivalent to a blood alcohol level of 0.05%. |
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Continuous sleep deprivation has been linked to health problems, such as obesity, high blood pressure, diabetes and depression. |
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The "fall back" of the clock during Daylight Savings Time coincides with a decrease in the number of road accidents. |
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Experts say that one of the most alluring sleep distractions is 24-hour access to the Internet. |
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Sleep-walking is a disorder that affects an estimated 10 per cent of all humans at least once in their lifetime. |
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The "fetal" sleeping position (lying on side with legs pulled towards chest) is the most common sleeping position. |
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On average, we dream one to two hours per night. |