I've been reeeeeeaaaaaading: http://blog.art21.org/2013/01/28/careful-not-to-touch/

docent

noun

1. (in certain US and European universities and colleges) a member of the teaching staff immediately below professorial rank.

2. a person who acts as a guide, typically on a voluntary basis, in a museum, art gallery, or zoo.

Origin: late 19th century: via German from Latin docent 'teaching', from docere 'teach'

somatic

adjective

relating to the body, especially as distinct from the mind

Biology relating to the soma.

Origin: late 18th century: from Greek sōmatikos, from sōma 'body'

somnambulism

noun

[mass noun]

sleepwalking

somnambulant adj; somnambulantly adv; somnambulist n; somnambulistic adj; somnambulistically adv

Origin: late 18th century: from French somnambulisme, from Latin somnus 'sleep' + ambulare 'to walk'