Guided 10 minute exercise
 
https://www.youtube.com/watch?v=6p_yaNFSYao

Guided Meditation and Mindfulness
 
https://play.google.com/store/apps/details?id=com.getsomeheadspace.android

Mindfulness video by the Centre for Addiction and Mental Health.
 
https://www.youtube.com/watch?v=YyXf0_g7i54

https://www.youtube.com/watch?v=qzR62JJCMBQ