abhava pratyaya alambana tamo vrttir nidraYoga Sutras of Patanjali, 1.10
nidra = sleep
abhava = non-existent
pratyaya = impression
alambana = based (on)
tamo (tamas) = void, inertia, darkness
vrttir = thought
I love sleeping people – they look so calm and at peace.
The translations I read described this as being about deep, dreamless sleep.
It’s interesting that it gets included as a “thought”. I find sleep fascinating – it’s almost as mysterious as infinity and thinking about the edge of the cosmos.