At the risk of stating the blindingly obvious, a good night's sleep can leave you feeling positive and upbeat.
It turns out that people who suffer from regular sleep disturbances are three times - yes, three times - more likely to experience low mood compared to people who sleep well. That’s according to the Great British Sleep Survey, conducted by Sleepio, an organisation dedicated to helping people sleep better.
'Poor sleep can make us less receptive to positive emotions, which in turn can make us feel miserable during the day and may increase the likelihood of us developing depression,' says Dr Dan Robotham, senior researcher at the Mental Health Foundation and lead author of their 'Sleep Matters' report.
Early to bed, children…And don't forget to brush those teeth!