Remember to Breathe
There is no simplier way to relax. Slow, deep breaths will help you lower your blood presure and heart rate. You can try yoga-breathing through one nostril at a time or a 4-7-8 method. Sit in your chair or on the floor with your back straight. Breathe in for a count of 4, hold your breath for a count of 7, then exhale for a count of 8. Repeat this four times.
Write It Down
Just putting our emotions on paper can make them seem less intimidating. A problem will semm much smaller when written on paper. And if this will help you, try journaling every day in the future – this will help you deal with stress instantly. Keeping a journal may be one way to effectively relieve stress-related symptoms due to its meditative and reflective effects.
Source: http://slicereports.com/blog/2015/06/26/5-easy-ways-to-reduce-stress-in-5-minutes/