4 hr A after just an 1hr nap might be a stretch, you know her best though. Ideally one nap would be at least 1hr30 to 2hr. Thats why we are doing a 30 min morning nap to ensure fitting in a good long pm nap before 3/3.30 ish. 8pm might be a little late with a 6am wake up, but days do get longer during the 2:1 I think.