Depends on your child, the layout of your house and your ability to hear your child in the night. In the case of sickness you may want to use it longer. But in general I would say when a child is developmentally able to express their distress, to have a sense of their own space and privacy—I would say somewhere between 3 and 5,

My son is 2.5 and we still use it. But his room isn’t close so I’m not sure I’d hear him without it. Plus I can speak to him and tell him to lay down and go to sleep without having to go in there!

I didn’t use a monitor. I was always close by.

Our daughter is 22 months and now been sleeping in a big girl bed for about a month. She’s gotten to the point now that when she wakes up she just comes straight into us, she doesn’t fuss or cry in bed. We don’t need to check on her. So I think we are at the stage of packing it up. I guess when you find yourself starting to check it less and less you’ll know that it’s time to put it away.

We’ve never used one at all. But we’ve always been able to hear him in his room. As long as you can hear him there isn’t any reason to keep using a monitor.

I’ve never had one but you don’t need to stop yet as he is still a baby and I think it is convenient if say you were in the kitchen cooking and you cant hear him cry . May as well use it if it is there .

My son was 1 and sleeping all through the night and he was also loud enough for m to hear him if he cried

I never used one. My babies were always loud enough to be heard without one, so I didn’t bother

I think with my first one (she is now 7) I stopped using it when she was two, simply because in the mornings it would wake me up as she would be lying there talking or singing lol.

For me using it for that long was a comfort thing, I could hear the noises in her bedroom and would be woken if something horrible was happening like an intruder or the like.

With my second one, I did it for about 12 months, but as we ended up co-sleeping for the most part it wasn’t needed.

I used it all the time so up until around 2?

How far away from your bedroom is your baby? You may need to keep it handy when your baby starts getting 2 year old teeth. Some get those teeth earlier than that. I know this sounds very pessimistic, but from a safety point of view, if your baby sleeps with the door shut I personally leave it there. Hopely the monitor would pick up the crackling noise of a fire. We all forget about electrical faults and the risk of fire.With ducted airconditioning there is no smoke alarms in bedrooms. In the case of a fire with the door shut the smoke would take too long to set the alarm off. With the door open any smoke would reach the alarm sooner. We had an incident where an electrical cable above the ceiling short circuited. The only reason the house didn’t catch fire was because it smouldered against our Fire resisitant insulation which was then made from a product known as rockwool. There was a small black burn mark on it. The only reason we found as soon as we did was because one of the power points would work so we tried to use some others. The house could easily have burnt down during the night because it was before smoke alarms were available . Friends of ours built a new house and moved in about 18 months ago, 3 bedrooms, ensuite and separate sitting room. There was 2 smoke alarms in that house, neither of them near air conditioning vents. Somebody cooked the same pieces of toast more than once. The kitchen area was full of grey smoke before it triggered the smoke alarm in the passage. Had there been a door between the kitchen and the passage and it been closed, the alarm would have taken a lot longer to activate. As it was it took at least 10 minutes to clear the smoke with rangehood on plus all doors and windows fully opened. I never sleep with my bedroom door shut or leave the other bedroom door shut when the kids are asleep in there.
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My son is almost 3 and we’re still using it! It’s more to let us know when he’s awake because we can’t hear him from our room otherwise. Also he will not come down from his bed until we come into his room.