In a warm body is required, regardless of the temperature of the environment. If the environment is hot, it may take a little cold but if it needs to be more time consuming.
In the warm up is necessary to consider the temperature of the environment. If the environment has heat symptoms may take a little time. But if the weather requires more time goes by.
In the warm body need regardless of the temperature of the environment. If the environment is hot may take less. But if the cold need to take a very long time up.