My 3 yr old son didn't sleep through the night till he was 11 months and before that woke several times a night for a feed, but it was pretty regular and nearly always quick to get him back to sleep. My daughter who's soon 8 months has never been a great sleeper. If my son comes in as I'm feeding her before bed then she'll wake up fully and it will take me ages to get her to sleep. She comes into our bed half way through the night, I try and wait as long as possible, and wakes several times a night. If all goes well and she's totally undisturbed at bedtime she can sleep from 7.30 to 10.30/12 depending. She might wake up but just needs a quick pat and then back to sleep. For periods of time (seemingly ending with a new tooth) she's had two hour awake periods after her 11pm feed. This will happen a few times. But this time we're into a week. Last night she was fed 12 when she woke, went to sleep easily and then woke again at 1 and that was it till 3. She's not in pain but I have to stand over her and she will look up at me to check I'm there. If I leave the room she starts screaming, will sit up in bed sobbing, arms raised when I come in. If I get her to sleep she will wake up again a few min later (when I've just got into bed!). It seems she absolutely will stay awake for roughly two hrs whatever I do. I've tried leaving her crying and checking up on her, I've tried picking her up and calming her to sleep (works but then will wake up a few min later). If she's up with me she's happy and calm.
She is a lovely sweet happy chubby baby in the day. I don't believe she's hungry. She is clingy (hate to use that word when she's so little but you know what I mean) and if she's held by someone else will fix her eyes on me intensely and often cry till I take her. I have her with me all the time but I worry that because she's my second child she's missing out being held by me/attention etc, certainly compared to my son who was never out of my arms. I'm trying to wean her but she only wants to breastfeed in the evenings/night which seems another sign. I do think I am giving her lots of love and cuddles but as I said not at all on the level of my firstborn.
Sorry for the epic message but I am absolutely at breaking point and need some sleep. Each night is torture!