I am 46 now and I still need more than 8 hours a night. I tried less, but that does not work: thinking is a torture then, sports too. If I get enough sleep, I

I am 46 now and I still need more than 8 hours a night. I tried less, but that does not work: thinking is a torture then, sports too. If I get enough sleep, I feel great, I get 3 times as much done and I run and swim like a champ (still). I love to get enough sleep!!!! It simply feels great.