Ok, the comments have given a suggestion about booking another berth, which is impractical if you are concerned that the baby may actually roll over.
Some practical tips to consider
If you really want this substantiated you can see (http://trainstuff.in/classes-of-travel) which has pictures and detailed measurements.
I have only thought about this never did this for my travels.
Happy sleeping
Credit:stackoverflow.com‘
5 Mar, 2024
4 Mar, 2024
5 Mar, 2024