Hello!

I can reccommend an excellent book by Dr Weissbluth, Healthy sleep habits, Happy child.

In essence, for toddlers he talks about establishing "sleep rules" and routines and making sure they are fully explained to the toddler.

For night wakings, he reccomends silent return to bed (no speaking, no interaction) as any kind of attention is attention.

However, I agree with the other that you should also try to understand what was the trigger to try and remove that. Maybe she developed fear of night monsters? In which case, rather than trying to reason that they do not exist, I would reccommend telling your daughter that you have magic powers that drive monsters away I know it sounds silly, but I read this somewhere and belive it could work... my little one is too young though so have no first hand experience

Cheers,
K