Cosleeping - how to ensure baby doesn't fall out of bed

[Slowfeedingbaby]

With DD1, we didn't need to cosleep at all, so this has all been new to me with DD2.

I had an earlier thread about DD2's terrible sleep since 6m. She's 10m next week and thanks to a next2me forever cot, we've finally got her out of our bed and into her own cot for at least the first part of the night. She consistently wakes around 4-5am ish (despite ruling out all the obvious causes) and i generally just bring her in with me for the rest of the night so we get some more sleep before we have to get up.

Because the next2me is connected to our bed, ive never had to worry about her falling out - if she moved, she would just roll / crawl into the next2me. However, I'd ideally like to start moving the next2me away from our bed (as it allows in cot mode) ready to transition her into her own room (and DH to come back from sleeping in the spare room 🥳).

So my question is how do I make sure she doesn't roll out of bed when there is nothing next to the edge of the bed? Should I use a bed guard or similar? What does everyone else do when cosleeping?

Put a double mattress on the floor of her room, get her off to sleep on it and then go and sleep in your own bed. She won't be able to hurt herself and you may be surprised by the improvement in everyone's sleep

I had a bed guard next to me. There's a gap though I always found and I worked about baby getting trapped between the guard and the mattress so I always filled the gap with blankets so it was very tight and level with the mattress.

The next2me we have also converts to a floor bed, so I could do this actually. I never thought about skipping the cot stage altogether.

Thanks - yes, I wondered about whether the gaps were a risk as well! But that could be a good solution. So a couple of different options already.