@shanaynay Cosleeping has saved my sleep. He still wakes about maybe four to eight times a night, but I don't wake so fully and feel reasonably rested.
My tiredness is manageable so long as I also take myself to bed at a reasonable hour - in bed by nine pm. I have to be really strict with myself to not mess about on my phone until ten pm, because that hour sleep makes a huuuuge difference. Baby (toddler now - weeps) does let me do a couple of hours of sleep in my own bed, before I transition into his floor bed. I do find I get some really lovely deep sleep those first few hours. Husband generally does the first 'settling' session for the first wake up.
So top tips:
Cosleeping
Ideally shifts with partner / outsource one wake up do you get a slightly longer sleep
Maintain a really strict, boring bedtime for yourself
Oh also agree try to feed them something filling before bed. We often give greek yoghurt, which he quite likes.