Image
Mr_Costello
Sleeping 8.5 hours might really be worse than sleeping five.

Morbidity, or sickness, is also "U-shaped," in the sense that both very short sleep and very long sleep are associated with many illnesses - with depression, with obesity, and therefore with heart disease and so forth.
  1. groups:
    Green,   WTF,   Random,   Earth and Science,   1 more
  2. tags:
    WTF Not News Green Random 5 more
  3.     
    |

9 comments // How much sleep is ideal?

more from Green:

top videos