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How did we get the age-old recommendation that we need a solid eight hours of sleep? In a classic study, researchers placed a volunteer in windowless, light-controlled room for 30 days. Not getting the proper amount of sleep may have serious consequences. Studies have shown that sleep deprivation affects performance.
The light was on for 16 hours and off for eight hours, but the study participant could also turn the lights on and off at will.
How did we get the age-old recommendation that we need a solid eight hours of sleep? In a classic study, researchers placed a volunteer in windowless, light-controlled room for 30 days. The light was on for 16 hours and off for eight hours, but the study participant could also turn the lights on and off at will.