Claire is nearly 12 months and in january, started sleeping for 8-10 hours at night. She was waking up usually once, but she would just chat to herself then go back to sleep.

In the last 2 weeks, she has stopped doing it. She now wakes at around 12:30 - 1:00 am, and wont go back to sleep for about an hour. She just scream and screams. Wont go back to sleep without having a breastfeed, and wont take a bottle or cup of water.

Last night she woke at 12:30 and didnt go back to sleep until almost 2 am. She just screamed and screamed and wouldnt settle unless she was out of the cot, laying on the floor holding onto a toy that makes lots of noise, with me laying on the floor next to her. She has done this a few times now, so its not just a one-off thing. She'd fall asleep next to me, but wake and scream as soon as I tried getting her into her cot.

I dont understand this behaviour. Is it normal/common behaviour for a 12 month old?