A healthy gut could be the key to better sleep — 3 expert ways to improve yours

A woman lies on her back in a bed that has white bedding, covering her face with one hand.

When you're thinking about what can impact your sleep and lead to issues with it, your gut health probably isn't the first thing that springs to mind.

But a recent study has discovered that certain types of gut bacteria are associated with the risk of insomnia, with one class of gut bacteria in particular strongly linked to an increased risk.