The prescribed treatment included a breathing device to prevent sleep apnea and perhaps a common sedative. Doyle hopes that will help him achieve "what I would consider a normal night's sleep."
Cheryl also said she's looking forward to "getting a good night's sleep myself. Uninterrupted sleep would be nice."
For the Doyles, that is the ultimate dream: a sound sleep unburdened by the terror of the night.
The following Web sites offer more information about parasomnias and sleep disorders: