RE: accidents at night, no you should not make her do the practice runs for night time accidents. (pottytrainingconcepts.com)
How do you plan to address night time accidents, when your child wakes up wet even though he or she went to bed dry? (3daypottytraining.com)
The frequency went down significantly after the first few month after his was potty trained during the day, but night time accidents continued until about age 10, the frequency decreasing greatly. (pottytrainingconcepts.com)