Many thanks for your answers.
Feenix, I don’t know sun salutations ( I’ve never studied yoga before hot yoga) but I I’ve seen on the Net some videos: I’ll try to learn it!
Gabrielle, the alternative you propose is better known to me, I think it will be a bit hard because I’m not so flexible in the morning. But in fact, I must try, even if it is not perfect first time!
Namaste
Marianne