Viper 
To dream of a viper is an indication that you are concerned that your peaceful life may soon be disrupted.
Adder
To dream of an adder means you should beware of a scheming or devious person. They should not be believed. This could also represent an individual or opportunity that escaped your grasp.
Rattlesnake
To dream of a rattlesnake symbolizes your life journey and the passage of time.
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