Tiredness and puberty (girls) anyone else?

[Mayswear]

My DD12 has had a hugely noticeable drop in energy since starting puberty. She's gone from being a scooting, early bird to a girl who can only just about manage daily life, doing no clubs or sport other than compulsory stuff. I was exactly the same and to be frank, never really recovered from it. Is this normal? Does anyone else have this?

My dd is 13 now and started to have less energy halfway through year six.
She is on her phone more but eats well, gets plenty of sleep.
Putting it down to hormones and just being busy turning from a girl to a woman.
Shes 5ft 10 now and I'm hoping as she starts to slow down growing her energy levels will rise.