4 month old sleep issues!

[MammaVee]

It seems that since my formula fed DS has hit 4 months old his sleep has gone bonkers. He just cant seem to get past 40-45 mins without waking up. I have read a bit about sleep patterns and light and deep sleep rhythms but wondered if there is any practical advice. I dont really want to make it worse by getting into bad habits like lifting him up and cuddling back to sleep (I have been soothing hi whilst he is in his cot). Also how long does this 'phase' usually last?

could he be teething? have tried gel or calpol see if it makes a difference?

My BF baby is feeding every 2 hours day and night after his jabs 10 days ago and I can't seem to break the habit. He has reflux and had a tongue tie sorted at 9 weeks so has been a frequent day feeder but has managed up to 7 hours at night (once so I know he can do it! )

I am too tired to do anything but shove my boob at him and he happily sucks for 5 mins then falls asleep, but I don't and just lie awake waiting for the next feed. After a week of this I'm shattered. Its not helped by the fact my 2 year old has broken his arm and is in pain at night so I don't want the baby to wake him up too. I don't know how to break out of this. I need to make a plan but have no energy left to think clearly.

I just need some practical steps to get out of this. Top tips greatly appreciated! thanks.

Is yours 4 months as well, sailor? 4 months is a sleep regression phase, so even if you do nothing (which I'm not necessarily suggesting), it'll improve.

I think you'll just have to wait it out unfortunately. The only other option is to co-sleep but only do that if you feel confident about it, as if you're worrying constantly you just won't sleep and then it's pointless.

We're still going on the frequent feeding and frequent waking. He has 12 feeds in 24 hours and I'm now keeping a diary to see if there's anything I could change. I suspect I'm too soft and offer the boob at the drop of a hat but he genuinely seems hungry gulps then cries/ fidgets and pulls off after 5 mins. He gets really windy mid feed so many of his daytime feeds don't appear to be proper feeds. I have a really strong letdown especially in the morning so that may be part of the problem. Not sure how to get out of this vicious circle. I feel the need to make a plan! Help!