You can stay for a maximum of 14 days, enjoying views over the lake and sleeping within earshot of the waterfall, which will aid a good night's sleep. Touring the Sunflower State? There's even ...

Here's what experts think about the sound and its potential benefits for people who have insomnia or sleep troubles.

Thinking of a pleasant and relaxing scene, such as a waterfall, is a better tactic for those battling insomnia. Dr Alison Harvey from Oxford University and a team of sleep experts tested various ...