a hot and dry day --
in which the sky has few high white clouds [no grey or low clouds]
scattered around -- at about 11:00 AM of that day:

#randsent

1. All his/her voluntary muscles [and their fibers] -- excluding
breathing muscles but including speech muscles -- should be relaxed to
a state of total paralysis [no amount of stimulation (whether neural
or direct electric stimulation of the muscle fibers) should be able to
cause these muscles to contract or "un-relax"]. This will make him/her
unable to move or vocalize.

#randsent

2. While his/her breathing muscles should not be paralyzed, his/her
voluntary control of them should be totally lost [this means that his/
her autonomic nervous system will have complete control over his/her
respiration].

#randsent