One minute they are telling us that we need a full night sleep to function correctly and even that sleeping may help you to lose some weight!
Now, researchers are careful to note however that oversleeping has been linked to a host of medical problems, including diabetes and heart disease.
So, how much sleep should we have? Well, apparently the amount of sleep varies significantly over the course of our lifetime.
It depends on your age and activity level as well as your general health and lifestyle habits.
They say that sometime circumstances mean we need more sleep, for instance during times of stress or illness. But, the typically recommended amount of sleep for adults should be between seven and nine hours each night.