They are in a hotel in France and the thermostat reads 71 degrees. France uses Celcius. If this was 71 C, it would have been 160 Fahrenheit.
Lauren is in Amsterdam making a phone call at late-night and yet it is late-night in America.
With the time difference, it would be afternoon in America - not evening.
Lauren wakes up several times with fresh make-up and well combed hair. If she were really sleeping for hours, her makeup would be smeared and her hair would be a mangled mess.