Dudjom Rinpoche refers to this as inner retreat, the state of awareness that you could die at any timehttps://twitter.com/MagE_Pi/status/920031025450827777 …
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one of my favourite texts touches on a smilier idea - "If the meditator is able to use whatever occurs in his life as the path, his body becomes a retreat hut." https://www.beezone.com/Trungpa/innermost_essence.html …
similar to the 'inner retreat', that is. Of course, this goes very much in hand with the awareness that death can come at any moment, without a fraction of a second warning. Only mala I own was given to me by a friend who used 
as spacers/memento-mori. 
