Photography: Getty Images | 1. Aviva
A huge 37% of bleary-eyed Brits don’t bag enough sleep – with the figure rising to 57.1% among 17 to 23-year-olds.1 That’s bad news – not just for general mood, productivity and caffeine addiction – because a growing wave of evidence suggests sleep deficit can lead to heart problems, high blood pressure, diabetes, a weakened immune system, and depression.