When moving from Standing Āsana to Lying
Āsana, consider the role of Samasthiti to be one
of recovery from the efforts of, and exploration
of the effects from, the preceding standing Āsana.
Whilst also considering the role of Śavāsana to be one
of transition to lying and the exploration of lying Āsana.
Rather than the other way around, in that, we are taking
Śavāsana as a place of recovery from our preceding efforts.
In other words, choose to stay in stillness within Samasthiti
until you feel as if you do not need to lie down to recover.