1.10 abhava pratyaya alambana vrttih nidra
abhava: feeling of non-being, absence of awareness pratyaya: going toward conviction, trust alambana: support, abode, dependence on a prop vrttih: function, condition, thought-wave nidra: sleep without dreams Sleep is the non-deliberate absence of thought-waves or knowledge. In a dreamless sleep the consciousness is stilled without any effort.