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Russell Foster: Why do we sleep? - YouTube
when you sleep certain genes are switched on, responsible for restoration (recovery), energy savings, brain function (efficiency, learning, storing into long-term memory, creativity enhanced, problem solving enhanced), metabolism, .... ie study has shown people who have no REM sleep for 3 days turn shizophrenic. ie studies have shown, sleep deprivation slows down metabolism. body is stressed and slows down the metabolism. stress hormone cortisol goes up. you tend to eat more. get fat over time vs normal sleep and normal cortisol levels.
shift  work  immune  system  neurology  obesity  sleeping  education  creativity  micro  sleep  epigenetics  jet  lag  sleep  deprivation  judgement  Alcohol  drugs  metabolism  stress  learning  sleep  memory  Ghrelin  hygiene  body  clock  mental  health  metabolic  syndrome  problem  solving  alcoholism 
september 2013 by asterisk2a

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