Sage smudging is an ancient spiritual practice that involves burning sage to cleanse a space or object. It is believed to have many benefits, including: 
Mood improvement: Sage can help reduce stress and anxiety, and improve mood 
Sleep quality: Sage may help with insomnia 
Respiratory relief: Sage has anti-inflammatory properties that may help with colds, coughs, and pharyngitis 
Odor elimination: Sage can help reduce odors in the home, such as smoke and mold 
Spiritual empowerment: Sage is believed to clear the mind and spirit, and help people connect with themselves 
Protection: Sage can be used to create a barrier against negative influences 
Spiritual renewal: Sage can help bring about a sense of spiritual renewal and balance 
How to use sage for smudging
Light one end of a sage stick over a heat-safe bowl or abalone shell Let it burn for a few seconds before putting out the flame Set an intention 
Use the smoke to cleanse the space or object you wish to purify