Early to Bed is a 1933 BritishGerman romantic comedy film directed by Ludwig Berger and starring Heather Angel, Fernand Gravey and Edmund Gwenn.
A young waiter and a manicurist share the same room without ever meeting because she works in the day and he at night. They encounter each other for the first time, and fall in love, without realising that they are already roommates.
Source: Wikipedia