Delta sleep

Delta sleep was a state of very deep sleep without dreaming. It could be induced by a delta-wave inducer. () 
When Deanna Troi was tormented by the music Kevin Uxbridge implanted into her mind, Doctor Beverly Crusher suggested inducing delta sleep to tune out even the counselor's deepest dreams. ()
== See also ==
* REM sleep
== External link ==
* 
Category:Physiology
Category:Sleep