The University of Michigan released its Consumer Sentiment survey for January, showing a dip to 94.4 from December's 95.9, missing expectations of 97.0.
As of 03:10 GMT, the dollar index, tracking the greenback against a basket of currencies, rose to 90.51 from the opening of 90.50, with an intraday high at 90.57, and a low at 90.15.
The economic conditions gauge in the same survey fell as well to 109.2 from 113.8 in December, while economic expectations rose to 84.8 from 84.3.
One-year inflation outlook rose to 2.8% from 2.7%, while five-year outlook rose to 2.5% from 2.4%.