Negativity-reducing website calm.com offers guided relaxation breaks of 2 to 20 minutes. They also have a free smartphone app to help you meditate, sleep, or relax wherever you are.
Just pick an image, a song and the amount of time you'd like to set aside without distractions, and let the soothing voice of their guide take you to your place of serenity. Ahhh! That's better!