Honestly CIO has been the only thing to work for us. We tried always responding and rocking back to sleep but she would always wake up and start crying all over again and it always resulted in us needing to sleep with her in the bed that's in her room even when she isn't sick. The CIO we did was letting her cry for 10 min to see how she was responding and if she wasn't calming down then we'd intervene but it usually was enough for her to realize she was tired and needed to sleep. Not sure why CIO always gets a bad rep, especially when otherwise you're at your wits end. I'd also make sure they are getting plenty of fluids during the day. Do you give him any amount before going to bed?
@Amber ahh, cio lite, aka Ferber method, a variation on standard cio, with check ins
We have a 3 year old also so the CIO method just wakes him up and then it would be a nightmare trying to get them both back to sleep! No always bottle fed. We are in the UK so don't think humidity is an issue?
What’s his naps look like? My son only wakes up like that if he slept too much in the day and I put him to bed too early. And maybe he’s not getting enough liquids in the day?
Low humidity makes for drier nasal passages and drier mouths
We have a hygrometer, a device that tells us both temperature and humidity level both
High humidity in a building can contribute to growth of mold and mildew
We are in the southeast us, this time of year we put a humidifier in the bedroom ( hubby and I are both mouth breathers)
https://www.amazon.co.uk/Youshiko-Thermo-Hygrometer-Thermometer-Hygrometer-Temperature/dp/B0CN1RVGHP/ref=mp_s_a_1_7?dib=eyJ2IjoiMSJ9.A-nx0MkglcpdjdfJ6WoznJzWk22Ejxh4-T2SwNvGyttJT-HcmoA8sR9TSLvk8J7iXYSWyTVkpn91uAi2xPgg33HPlyL1y5Oj5EZJnbTHkjg0EAH_ep51T77lg8cWaNL13-SVQEY1qqTvVeGCX0E8goyKr_5-mLmWjOv4_xxcwOBZJ7b_Qfrd7JEADy96Kv9LCkN9zYH5xdGi5FCY7Gm64A.gz1NRAnPsK7MB9DKo2gkdQmnjmwBnh9ClBbJOxF56QQ&dib_tag=se&keywords=hygrometer&nsdOptOutParam=true&qid=1729526469&sr=8-7 Our hygrometer is like this but more basic ( doesn't have the hot cold okay .... Part).... Yes I cheated and searched amazon.co.uk... lol
In colder months and colder weather, air is often drier/low humidity
What's the humidity level in the room he sleeps in? If the humidity is low he may be thirsty. Was he breastfed?