Am I just super sensitive?

Hi all! Hoping to get some advice - currently writing this with a headache so hopefully this makes sense lol.

I typically need around 8 - 9 hours of consecutive sleep a night, if I don't get that amount of sleep I usually have a headache the next day. I used to be able to sleep that long until I had my daughter. She's not a bad sleeper, but any type of disturbance in the night really impacts me. For example, I got about 8 hours sleep last night, but she woke up once last night and it took me about 5-10 mins to get her back to sleep. Because of that little wake up, I now feel super tired and have a headache.

Any tips to overcome this? Thanks!