The color of the lights can have a major impact on the mood and atmosphere in a room. Light with a higher Kelvin color temperature emits a bluer light that is better suited for daytime hours and times when guests need to be productive. However, this light is not relaxing and can make it difficult for occupants to unwind after a long day. Using warmer colored lights at night helps avoid the bright appearance of cooler colored lights. Use cool white lights in larger overhead fixtures and desk lamps that are more likely to be used during the day, then use warm white lights in nighttime fixtures like the bedside lamps.

You'll no long need to manually adjust a facility's lighting to provide the circadian rhythm benefits. Newer systems use wireless control systems that include an automated scheduler and a mesh network. These systems can be integrated with "smart" building systems that control other systems, such as HVAC.