subjects in a sleep
  deprivation study.
Days 0-1 were adaptation and training (T1/T2), day 2 was baseline (B);
  sleep deprivation started after day 2."><meta property="og:description" content="The average reaction time per day (in milliseconds) for subjects in a sleep
  deprivation study.
Days 0-1 were adaptation and training (T1/T2), day 2 was baseline (B);
  sleep deprivation started after day 2."></head><body>
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