0 1 2 3 Mon 05 Jan 1981 Mon 12 Jan 1981 Mon 19 Jan 1981 Mon 26 Jan 1981 Mon 02 Feb 1981 Mon 09 Feb 1981 Mon 16 Feb 1981 Mon 23 Feb 1981 Mon 02 Mar 1981 Mon 09 Mar 1981 Mon 16 Mar 1981 Mon 23 Mar 1981 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average
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