The purpose of this PSA is Completely extinguish cigarettes every time.
The full PSA is:<em> ''CIGARETTES DON'T KNOW WHEN YOU ARE ASLEEP''.</em>
This PSA's message is that not everyone can entirely quit smoking because some people still smoke when they sleep.
They allow it to fall off their hands as a result, which could result in it lighting anything and starting a fire that could be fatal. According to reports, smoking is the leading contributor to home fire fatalities that could have been prevented.
Therefore, it is advised that smokers always put off finishing their cigarettes to prevent any fires.
To learn more about PSA here:
brainly.com/question/21333623
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