Asleep Definition
 ə-slēp 
    adjective
  
 In a condition of sleep; sleeping.
 Webster's New World 
Inactive; dormant.
 American Heritage 
Inactive; dull; sluggish.
 Webster's New World 
Indifferent.
 Politicians who are asleep to the needs of their constituents.
 American Heritage 
Numb except for a prickly feeling.
 My arm is asleep.
 Webster's New World 
Synonyms: 
  
    adverb
  
 In or into a state of sleep.
 American Heritage 
Into a sleeping or inactive condition.
 Webster's New World 
In or into a state of apathy or indifference.
 American Heritage 
Into a state of numbness.
 American Heritage 
Into the sleep of the dead.
 American Heritage 
Origin of Asleep
-  From a- (“in, on”) + sleep From Wiktionary 
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