4 ms·

*5.5 vs about 6. The study increased their sleep by 27 minutes, they were still under-slept by 2 hours.

• eMSF 6y ago
  AFAIK not anything below 8 hours qualifies as “under-sleeping”; instead, the need of sleep typically varies between 6 to 9 hours for healthy adults.
  • ipaddr 6y ago
    Which averages out to 7.5. So the average should have been in that range with outliners at 6 and 9