Studies of people kept in isolation from stimuli which would tell them what time it is, in a sleep lab for instance, have shown that many subjects will sleep for a bit more than eight hours per day, in two periods, that is to say, a short night sleep and a long day nap.
(people; kept; in isolation from stimuli) (that; is; to say, a short night sleep and a long day nap) (stimuli; would tell; them; what time it is, in a sleep lab for instance, have shown that many subjects will sleep for a bit more than eight hours per day, in two periods) Context(stimuli would tell,List([41, 65))):(it; is; )
stimuli would tell,List([41, 65))
people that stimuli it
kept is would tell is
in isolation from stimuli
to say, a short night sleep and a long day nap
them what time it is, in a sleep lab for instance, have shown that many subjects will sleep for a bit more than eight hours per day, in two periods