His left hand
smo'wl (sem-ole')
dark (as enveloped), i.e. the north; hence (by orientation), the left hand -- left (hand, side).
should be under my head
ro'sh (roshe)
the head (as most easily shaken), whether literal or figurative (in many applications, of place, time, rank, itc.)
and his right hand
yamiyn (yaw-meen')
the right hand or side (leg, eye) of a person or other object (as the stronger and more dexterous); locally, the south -- + left-handed, right (hand, side), south.
should embrace
chabaq (khaw-bak')
to clasp (the hands or in embrace) -- embrace, fold.;
me