Sharing a bed with a partner is an opportunity to be extremely intimate - but it can also spark plenty of arguments.
In fact, a recent survey found that a quarter of British couples admit to sleeping in separate beds.
And rows or problems in the relationship are behind 38 per cent of couples' decision to sleep separately, according to the research by Bensons for Beds.
Now, leading life coach Olga Levancuka and author of How To Be Selfish says we should be keeping an eye on our partner's sleeping habits to avoid ending up in separate rooms - or heading for an altogether more permanent separation.
She believes the positions you and your partner adopt while sleeping can reveal a lot about the state of the relationship, because the subconscious mind controls how you arrange your body under the covers. More