Usually these are made withessential oilsor flower essences that are diluted with water,Marie Claireexplains.
Of course, finding the right scent for this process can make all the difference.
Lavender is the obvious go-to for sleep.

Relaxing, soothing, and sedative, this scent characterizes massage spaces and wellness studios all over the world.
Adding it to your pillow can have the same calming effect.
Plus, it lowers your body temperature and blood pressure which spurs melatonin production, the outlet adds.

This is particularly true with travel.
So,whatever scent you opt forshould help your brain move into sleep mode.
It’s a stimulus for relaxation and can help to sustain a healthy sleep pattern."