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.
But the second aspect to consider when choosing your bathroom lights is safety. Clearly a bathroom is a wet area, and electricity and water are not the best of companions. Today however there's a very easy system in use which helps you to quickly and easily identify the type of light that's suitable for each area of your bathroom.
Accent lights are used to bring focus to various details in the bathroom, such as art piece, sculptures or architectural design in the bathroom tiles. These small recessed lights are able to attract attention to these details without taking up excess space on the counter. On the other hand they will help to make your bathroom look more interesting and sophisticated.
The bathroom lighting contemporary task light, serve to provide light for the various grooming functions that are carried out in the bathroom. As a result this category of light focuses on the vanity area, shower stalls, or over bathtubs and toilets. Sconces or vertical fixtures on both sides of the vanity, or that center mirror that you use to shave, brush your teeth or put on makeup are excellent task lights.