So if you're not getting enough shut eye just imagine the mood boost you're missing out on. We spoke to three experts to get their best tips for how to get a better night's sleep by cutting the stress involved.
1. "Try 'thought blocking': with your eyes closed, slowly repeat a word with no emotional connotations (such as 'one') in your head. You can't think of two things at once so it will silence the worry and let you switch off." – Dr Jessamy Hibberd co-author of This Book Will Make You Sleep
2. "Remember your perceptions of sleep are unreliable. When you thin you've slept badly, chances are you still had a few decent hours. So don't turn sleep into another job, something you're 'succeeding' or 'failing' at." – Dr Graham Law, sleep expert
3. "Get enough bright light and fresh air in the morning and sufficient exercise during the day, but don't do anything strenuous two hours before bed. Expose yourself to darkness in the evening: that means a decent screen break." – Dr Michael Feld, Lanserhof Tegernee sleep specialist