Kaalidaasa, Raghu-va.m;sa 13.6: naabhi-praruu.dhaamburuhaasanena sa.mstuuyamaana.h prathamena dhaatraa / amu.m [= ocean] yugaantocita-yoga-nidra.h sa.mh.rtya lokaan puru.so 'dhi;sete // >Friends: > >Are you aware of any work that has been done on Yoga Nidra? Is the nidra of >sheshashayi Vishnu considered yoga nidra? > >Thank you. > >Harsha V. Dehejia