Not tonight, insomnia — 4 powerful habits that help me fall asleep quickly and sleep through every night

A woman lays in bed, smiling with her eyes closed, while holding her pillow.

It's January and you're probably fed up of hearing about people's mighty resolutions and plans to overhaul their lives with unrealistic fitness regimes and extreme diets.

But if there's one New Year's goal that's actually worth chasing, pays dividends to your health and quietly upgrades other areas of your life, it's getting better sleep.