Sharing a bed may also reduce cytokines, involved in inflammation, and boost oxytocin, the so-called love hormone that is known to ease anxiety and is produced in the same part of the brain responsible for the sleep-wake cycle.

WSJ: Who Sleeps Better at Night?

The murder was the result of months of secret meetings and phone calls between Mr Nowak and Ms Lagwinowicz, with Miss Wells-Burr oblivious to her part in the so-called "love triangle", the court was told.

BBC: Catherine Wells-Burr

The drug is known as the so-called "hug drug" a love drug.

CNN: O'Connor: Kids confused over safety of Ecstasy

My other hope now -- in my seventh month of pregnancy -- is that I will be able to tell our son that his father carried the flag to end terrorism, raising an unprecedented demand among people from all countries not for revenge but for the values we all share: love, compassion, friendship and citizenship far transcending the so-called clash of civilizations.

CNN: Mariane Pearl: Husband's spirit lives on