Measures were taken for 7 days, at summer solstice and winter solstice, with a wrist activity monitor (actiwatch) to check if there was a difference between seasons and between the days of the week.
Mælingar voru teknar með virknimælum í 7 daga við sumarsólstöður og vetrarsólstöður og athugað hvort munur mældist milli árstíða og á milli vikudaga.