Safety of Brainwave Entrainment for Insomnia?

Safety of Brainwave Entrainment for Insomnia?

Safety of Brainwave Entrainment for Insomnia?

- Brainwave entrainment is a highly successful treatment for insomnia.

User: Mike Seely

Views: 81

Uploaded: 2008-10-24

Duration: 01:18