Constance Marten was warned about the dangers of falling asleep with a baby

Aristocrat Constance Marten was warned of the potentially fatal risk of falling asleep with a baby years before she allegedly woke up to find her tiny daughter dead in her arms, a court heard. Marten and her boyfriend Mark Gordon told social workers living in a tent was part of their ‘alternative lifestyle’ after the birth of their first child, a court heard. Marten, 36, and Gordon, 49, are accused of killing their newborn baby Victoria by taking her on…