I have just tried the OSFM natural nights bamboo fitteed for my 8mo heavy wetter. As they have only had three pre-washes, I have used them with the IBB super nights trifold booster. Last night it held up for 13 hours, including a 4am feed, and while it was very wet, it didn't leak and my little boy wasn't complaining and grizzling to be changed. I went with these because they were less than $30, and OSFM. I just couldn't justify buying sized nappies, especially since many of them are just too bulky to use during the day if they fail as a night nappy. This nappy has two long bamboo boosters inside, one with a stay dry top, so if it didn't suit as a night nappy it would be easy to remove a booster and make it a non-bulky day use fitted. However this is definitely working as a night nappy for us, and my boy is usually leaking out of a toddler sized disposable when he wakes, and definitely wouldn't make it through the night in a disposable if he has a feed during the night. It's also not as wide between the legs as my BBH medium night nappy I had tried, but has comparable absorbancy with the night trifold booster after only three washes. I'm assuming it will only get more absorbant with use. Because of the different snap in absorbancy options, it would be a good night option from small baby to toilet training. If needed, as he gets bigger I can always add a prefold to the outside for extra absorbancy without having to try a whole new night nappy system. I'm really happy with these.My husband was also very impressed when he took the nappy off after 13 hours this morning! His skin looked much better than it does after being in disposables overnight, and he is still able to move around freely because it isn't too bulky. It also feels much softer and nicer on the skin than the other night nappy I have tried.