Its very common for the toddlers to stay awake in night.  Here are few Tips for good sleep at night.  1. Have a set bedtime and bedtime routine for your child.  2. Calm and quiet environment 1 hour before sleeping.  Avoid high energy activities / watching TV before bedtime. 3. A light snack like milk and cookies before bed is a good idea.  Don't send your child hungry to bed.  4. Make sure your child spends time outside everyday.  5. Child's bedroom at a comfortable temperature. 

It's natural for babies to keep awake at night if they sleep more in the day or if they sleep late in the evening. If you keep her active during the day she will sleep at night. Don't worry about her growth and health. There's no connection.

I can understand your problem, during day time baby should do physical activity and reduce sleep time in a day....make her to sleep at fix time in night, keeps light off...

kindly take care of food the child is consuming just before going to sleep. It is possible that it is causing digestion problem leading to more amount of gas formation which might be disturbing sleep of the child. Also see for other environmental factors like temperature variations which might be affecting the sleep of the child. Indulge the child in physical activity during the day and give plenty of water to drink which might help in the cause