Priscilla added: "He had to (take them). He had a fear of insomnia. When he woke up he had a horrible fear he could never get back to sleep again."The couple married in May and 1967 and divorced in 1973.
They had one daughter, Lisa Marie Presley, who is now aged 52Last month Priscilla broke her silence following the tragic death of her Lisa Marie's son Benjamin Keough, who died by suicide at age 27 last week.Priscilla, 75, who was married to Elvis Presley from 1967 to 1973, penned a heartfelt statement to fans about his death via her official Facebook page.She wrote: "Each day I wake up I pray it will get better.
Read more on dailystar.co.uk