I thought this too, they sleep on the actual mattress with just a duvet on top? That room looks more and more skanky every time it's shown
I've just looked at the views on her last video and for her they're really low - 16k compared to about 75k for the ones before that (apart from the couple she re-uploaded after being hacked which people will have already watched). I hope that makes her realise that nobody wants to constantly hear about guinea pigs - it's so boring and if her vlogs don't start to feature more than 'organising' one cupboard or shelf or spot cleaning the guinea pig cage I bet her numbers will start falling. Even she can't watch them back and not be bored surely?!