We all have bad days. Whether you got out of bed the wrong side, didn't get enough sleep or just feel blue - sometimes the world feels like a place you'd rather hide away from.Fortunately for you, there are small, simple changes you can make to your daily habits that will significantly reduce the chances of those bad days. Introduce 1, or all, of the small routine changes below to make yourself a happier, healthier person.

10 things that are scientifically proven to make you happier

"You know those days when you get the mean reds?"

The 10 routine changes that are proven to make you happier