yoga nidra
... that yoga nidra, a state of consciousness "in which Buddhas may access secret knowledge", is being studied for potential treatment of sleep problems?
... that <b id="mwBOU"><a href="./Yoga_nidra" id="mwBOY" rel="mw:WikiLink" title="Yoga nidra">yoga nidra</a></b>, a state of consciousness "in which Buddhas may access secret knowledge", is being studied for potential treatment of <a href="./Insomnia" id="mwBOc" rel="mw:WikiLink" title="Insomnia">sleep problems</a>?