Just that really.
A month ago she was sleeping 12hrs+ a night and up to 2hrs during the day.
The day before Xmas eve she went to il's where she woke in the night and was up for 3hrs. (Mil admits she didn't notice right away that she'd pooed so possibly took a while longer to settle after eventual nappy change)
Xmas eve took hours to go down (screaming in her cot, when she'd normally grizzle at most for a few minutes) but slept through. Then she started screaming every night since. Waking at least once in the evening and needing to lay down with dh or me in our bed til asleep again. Then usually once in the night when we'd bring her in with us for a while. Waking at 5ish (normally 7ish)
Last 2 nights she was back to her old self but tonight dh put her down at 7 and he's still up there presumably lying on our bed with her til she sleeps. She's quiet.
Also, for full info, she shares with 3.2yr ds so, although i'm not averse to it, we can't really do any sleep training which involves lots of crying or us being in the room as it disturbs ds.