Duvet hogging can take its toll on a relationship – and your night’s sleep, but you may not be aware of it come morning Shutterstock/Vasylchenko Nikita Sleeping with a partner leads to more overnight wake-ups than sleeping alone. Often, these disturbances are brief and forgotten by morning, but there are strategies to address them if they become problematic. “Research finds that subjectively, people think they sleep better together than when they sleep apart, but when you objectively measure it, there’s more sleep disruption when they sleep together,” says Sean Drummond at Monash University in Melbourne, Australia. To explore the effects of bed-sharing on couples’ sleep, Lionel Rayward at Queensland University of Technology in Australia and his colleagues conducted a systematic review of the existing research. All the studies they reviewed found evidence of partner disturbance while co-sleeping, with 30 to 46 per cent of couples’ movements being shared. In other words, when one person tugged at the covers, rolled over, kicked out a leg or made other movements, their partner stirred too. One study in …