There is no rule such that the bathroom lighting should be provided only in the ceiling or is better if it is provided at the sides or on top of the mirror. One has to fix the bathroom lightings according to one's taste and the mood that he or she wants to bring into the room. Even for a small bathroom, people, these days, go for two or more lighting fixtures. Thus, lighting is the most important factor to be considered in any modern bathrooms.
Plan bathroom lighting ; Your bathroom should have a window somewhere, and this can be your natural source of lighting. Use that as your starting place to start designing the lighting in the bathroom. During daytime, choose lighting that will compliment natural light coming from the window. You might want to diffuse some of that hard natural lighting glare by using screens or frosted glasses. This will allow soft light to enter into the bathroom.
Bathroom Lighting: Of all the rooms in your home, the bathroom specially need to be a well-lit area. Many people seem to forget about this details when designing their houses; in the end, you don't devote most of your day inside bathing room, so why go to all the expense? Well, if perhaps you don't want to, but a well-lit bathroom has its emotional advantages and it helps physically too to be able to see clearly and walk safely and securely in the bathroom.
Interior lighting may be able to cover every style of bathroom. You can choose to retain the austere look of your bathroom or jazz it up with the very best fixtures. You might want to try getting ceiling downlights and pairing them up with wall lights or track lights to add some character to your bathroom. Find bathroom accessories that you will love so you can definitely enjoy your alone time in the bathroom.