Girls, is it regression or growth spurt? I'm exhausted already We're 8…

Girls, is it regression or growth spurt? I'm exhausted already We're 8 months old, and we've been sleeping for a week now. During the day everything is normal, we switched to two naps, but at night it's hellish. Today: from 9 am to 12 pm he slept Then every 30 minutes, at 1:30 he woke up and damn, he was sitting in the crib, ate some sippy cup and was cheerful, then at 5 only managed to put him down. At 6:30 he woke up, barely got to 7, at 8 he woke up. And generally started waking up at night,