13:["$","div",null,{"lang":"en","dir":"$undefined","children":[[["$","div","5e4b8c2d-489b-4fc0-a0af-04afa1755bc8",{"id":"e30b71d1f8b293f096697830883c38a6","className":"block block-subchapter","data-tier":"study","data-type":"subchapter","data-key":"e30b71d1f8b293f096697830883c38a6","lang":"$undefined","children":[null,null,null]}],["$","div","8a2ad8d2-5092-4d06-a7b3-93ddb381920b",{"id":"8ad3f7c5019e0f3d2d8b0b01309855ff","className":"block block-subchapter","data-tier":"study","data-type":"subchapter","data-key":"8ad3f7c5019e0f3d2d8b0b01309855ff","lang":"$undefined","children":[null,null,["$","div",null,{"className":"block-body","dangerouslySetInnerHTML":{"__html":"

- Inhale while constricting your throat.

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- Feel a continuous, smooth stream of air passing through the narrowed larynx.
- Exhale and continue constricting your throat to get 'hhhhhh….' sound.
- Repeat for 12 breaths.

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