Britons wake up grumpier than anyone else in the Western world , according to users of a sleep app . Even though we get more time in bed than most other nations – seven hours 22 minutes a night – only the Japanese , South Koreans and Singaporeans are moodier when day breaks . People in these three countries have an excuse – they spend less time in bed , with the Japanese getting an hour and a half less sleep . Scroll down for video . Moody mornings : Brits wake up grumpier than anyone else in the Western world , according to users of a sleep app ... despite getting more time in bed than most other nations – seven hours 22 minutes a night . But while we might sleep longer , we don ’ t feel as refreshed in the morning , according to results from users of the Sleep Cycle app . The app tracks how well people rest at night by using the motion sensor in their smartphone . The app then comes up with a ‘ sleep score ’ for the user . By looking at results from 944,000 people , including 75,000 from the UK , researchers found the British had the seventh most disturbed sleep out of 50 countries surveyed . And our mood on waking – determined by users tapping a ‘ happy ’ , ‘ sad ’ or ‘ in-between ’ face – was fourth worst , even though we spend more time in bed than anyone bar the Finns ( 7hrs 23mins ) , Dutch ( 7hrs 24mins ) and New Zealanders ( 7hrs 27mins ) . But sleep expert Dr Neil Stanley questioned the accuracy of such apps because they assume you are asleep if you are still , which is not always the case . Grumpy Britain : While we might sleep longer , we don ’ t feel as refreshed in the morning , according to results from users of the Sleep Cycle app .
According to new app , Brits are grumpiest in Western world at daybreak . Despite getting more sleep than most - at morning . Only Japanese , South Koreans and Singaporeans are moodier in seven hours 22 minutes a night .