When it comes to describing a bedside companion, there are plenty of synonyms to choose from! You could call it a sleep partner, a nighttime friend, a slumber buddy, or a dozing pal. Other options include a bedfellow, a sleepmate, a dream companion, or a snooze ally. Perhaps you prefer to refer to it as a bedtime buddy, a rest pal, or a night-time sidekick. Whatever word you pick, the idea is the same - having someone or something to share your sleeping space with can be comforting and reassuring. So whether it's a plush toy, a pet, or a human being, your bedside companion is there to help you drift off into a peaceful slumber.