When driving on the freeway beware a dreamlike trance known as?

When driving on the freeway beware of a dreamlike trance known as HIGHWAY HYPNOSIS.  Highway hypnosis is a mental state condition in which a person who is driving a vehicle drives correctly [obeying all traffic rules] over a long distance without remembering that he has done so. The condition is typically experienced by tired drivers. 

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.