Awake windows

Anyones baby do 5-6 hour windows?? We not on 1 nap a day yet she manages to have 5-6hrs window. Wakes up 6am usually has first nap between 9 - 10. Then won't go down until 3-4 pm. But then has a small window to bedtime.. 6.30 and still sleeps by 7-8pm..