I also practice Surya Namaskar[1] + 2 minute push-ups[2] + 2 minute mountain climbing after the 30 mins breathing.

[1] https://www.youtube.com/watch?v=IKzkc3FWx7g

[2] https://www.youtube.com/watch?v=uYbHEcYbHmI

I have just been practicing Sudarshan Kriya[1] + Wim Hof[2] + Surya Namaskar[3] (no push-ups and mountain climbing) for the past month.

~1 hour a day.

[1] https://www.youtube.com/watch?v=0tX0M6EveGY

[2] https://www.youtube.com/watch?v=tybOi4hjZFQ

[3] https://www.youtube.com/watch?v=IKzkc3FWx7g