Psychologists have repeatedly argued: if the couple prefers to sleep in the arms, it indicates a truly warm and trusting relationship. Well, it turned out that the dream is also very useful Researchers at the University of Pittsburgh have found that sleep in the arms of loved one reduces the level of cortisol - a stress hormone - in the blood strong. > Most likely, this is because in such times people feel in maximum security. Meanwhile, the increased cortisol levels may contribute to heart disease, depression, and weakening of the immune system.
The researchers also noted that the dream helps the development of oxytocin - "hormone of love", helps to install the attachment. Moreover this hormone stimulates the immune system and may even improve the operation of digestion.
Surely there is more than one reason to go to sleep every night in the sweet embrace of a loved one. So that love - is not only pleasant, but also damn useful thing
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