ACCorDing to thE spEAkEr, whAt hAppEns whEn you turn AnD twist to gEt ComFortABlE
A、

A、your hEArt rAtE is lowErED、

B．

B、it BEComEs hArDEr to rElAx.

C．

C、you BEComE too tirED to slEEp.