ScienceDaily: Living Well News |
Sleep deprivation effect on the immune system mirrors physical stress Posted: 01 Jul 2012 04:16 PM PDT Severe sleep loss jolts the immune system into action, reflecting the same type of immediate response shown during exposure to stress, a new study reports. Researchers compared the white blood cell counts of 15 healthy young men under normal and severely sleep-deprived conditions. The greatest changes were seen in the white blood cells known as granulocytes, which showed a loss of day-night rhythmicity, along with increased numbers, particularly at night. |
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