ANSWER:

If she wakes up and prays her fajr on time and does her other daily chores and she is not messing up with your right, there is no need to be upset with her. 

QUESTION: My wife likes to stay awake during the night and this upsets me. She stays awake till 2 am everyday and she says she reads religious knowledge but also browses through her phone. She also says she can’t sleep early but I feel she doesn’t try. Is she sinful for doing something I don’t like because I told her many times to try to sleep early .she sleeps late, wakes up prays