You have encountered a person who is apparently unconscious. although you open his airway, there is no rise and fall of the chest, and you can hear no breath sounds. you should begin mouth-to-mouth rescue breathing, giving two full breaths.
In other words, sleeping people are largely unaware of what is happening around them. The biggest difference between a sleeping person and a fainted or comatose person is that if the stimulus is strong enough, the sleeping person can be awakened.
The definition of the unconscious is unconscious or unconscious, or unconscious, sleep, or coma. Making gestures automatically without thinking about it is an example of an unconscious gesture.
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