There are a lot of reasons why you would want to think about making it so that your baby would end up sitting up as much as possible. For one thing, it will be an indicator that your baby is growing older and progressing in life, but timing really does matter so you should first try and ascertain what the right time is to teach your baby how to sit up because of the fact that doing it too soon will be harmful for your child which is the sort of thing that you would obviously never want to think about.
If you want to do this the right way, then you really need to ascertain the right time to do something like this. Without a doubt the best time for you to end up looking into helping your baby learn how to sit up would happen to be when your baby is about five months old. Some babies can start learning at four months but it might be a bit of a risk and there really is no need to start that early. If your baby starts sitting up on its own that early then that’s all well and good, but concentrated efforts on your part to make it so that you can help your baby along should only start at five months of age.
You can wait up until your baby is six months old if you want to be as safe as possible while teaching your baby sit up from lying down. Waiting longer than that is not necessary as your baby will have developed enough strength to be able to take this sort of thing all in all.