The woman yawned. A long lazy noise came right out of her and was gone. It was an unearthly sound. She felt extremely tired
after a bad night's sleep. Nightmares had plagued her since her early
childhood but their vividness had increased of late. They had
become virtually indistinguishable from reality.
Nadia tentatively felt the other side of her bed with the back of her hand in vain. Her husband was gone.
The BBC put together this amazing resource. This is a sound by sound approach to the English phonemic system which will surely help you out with your pronunciation.