0 1 2 3 Mon 13 Jan 1975 Mon 20 Jan 1975 Mon 27 Jan 1975 Mon 03 Feb 1975 Mon 10 Feb 1975 Mon 17 Feb 1975 Mon 24 Feb 1975 Mon 03 Mar 1975 Mon 10 Mar 1975 Mon 17 Mar 1975 Mon 24 Mar 1975 Wed 26 Mar 1975 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average
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