For Yazidi survivors of Islamic State killings, the nightmares go on

Yazidi girls play at a refugee camp in Mount Sinjar, Iraq February 4, 2019. REUTERS/Khalid al-Mousily

SINJAR, Iraq (Reuters) - Ever since Islamic State visited death and destruction on their villages in northern Iraq nearly five years ago, Yazidis Daoud Ibrahim and Kocher Hassan have had trouble sleeping.

For Hassan, 39, who was captured, it is her three missing children, and three years of imprisonment at the hands of the jihadist group.