It used to be 9-10 hrs in my twenties. With young kids it was much less but has now steadied at about 7-8 hrs. It’s usually interrupted through the night. I can

It used to be 9-10 hrs in my twenties. With young kids it was much less but has now steadied at about 7-8 hrs. It’s usually interrupted through the night. I can fall back asleep at the drop of a hat. My wife finds getting to sleep incredibly hard, she can be awake for hours reading, trying to fall asleep, so for her some nights would minus 2-3 hrs from that. She is always brighter and more energetic than me, I never seem to get enough sleep.