I have a 2.5 yo and a 9 mo old. It’s never easy. My best advice would be just sleep with them. It’s really not a big deal. People make it seem like blasphemy to share a bed with a toddler/infant. Just do your best. My 2 yo sleeps in her own bed now no problem and she shared the bed with my wife and me many times.
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Yea we end up just putting him in bed with us but it's a very small bed and he's a massive fidget so we don't get much sleep!