Ellie Rotunno wrote:

> There are two mechanisms
> in sleep. The first is passive delta type--when neurons fatigue, nerve
> impulses slow down and there is less excitability of the reticular
> activating system. This is normal, deep, restless sleep, devoid of
> emotional type dreams.

Correction: This should say normal, deep, restful sleep.

I hate being imperfect..:-)

My best, Ellie