Trying to imagine fat, fuzzy white lambs, jumping one by one over a fence, is a well-known remedy for sleeplessness. When I used to try this, I would insert a dapper black sheep with a red bow tie now ...

Waking up in the middle of the night or struggling to drift off can be frustrating, but counting sheep isn’t the answer. Research from Oxford University shows it's too dull to calm a racing mind.

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Trying to imagine fat, fuzzy white lambs ...

Health Team Counting sheep: Who came up with this old sleep tip, and does it work? (CNN) — Trying to imagine fat, fuzzy white lambs, jumping one by one over a fence, is a well-known remedy for ...