And The Mirror explains that one of his most recent posts signals the dangers and detriments of cosying up as a couple each night - with the doctor sharing that you should instead sleep solo. Read more: Behind the scenes at a 'busier than ever' Tyneside GPs' surgery where doctors see 45 patients a day If your partner ends up moving around too much in their sleep - or if they snore - this will most likely prevent you from entering REM (rapid eye movement) sleep, the deepest stage of the sleep cycle.