20 Yoga Nidra to Calm the Nervous System. Today’s Yoga Nidra is designed to stimulate the Vagus Nerve, which can help to relax the body, calm the mind, and activate the rest and digest nervous system response. A healthy vagal tone can have wonderful benefits for autonomic nervous system health, as well as mental health and well-being. This voice only Yoga Nidra is designed to soothe, restore and reset your entire nervous system. Ailsa will guide you through intention, an inner resource practice, body sensing and breathwork. Get cosy, and let yourself be guided by Ailsa's soothing voice to a state of deep rest and relaxation. Ailsa's voice is female with a soft Scottish accent and there is no music accompanying the meditation.