Trouble sleeping? You may be lonly

(AP Photo)

November 1, 2011 7:16:25 PM PDT
It turns out trouble sleeping, may be a sign of loneliness.

A new study in the journal Sleep found that people who feel isolated from others are more likely to have restless and sleepless nights.

Doctors say that could explain why loneliness is linked to serious health problems, including high blood pressure and depression.