All too much evidence down the years indicates that many of us just don’t get enough sleep; this could be the case for as many as one in three adults.

It is believed that most adults require about seven to eight hours sleep every night. And you’re probably familiar with some of the obvious ill effects of not getting enough of it, such as feeling crabby and unrefreshed the next morning.

But the longer-term consequences of failing to sleep enough could be worse than that; it has…