0 1 2 3 Tue 28 Nov 1989 Tue 05 Dec 1989 Tue 12 Dec 1989 Tue 19 Dec 1989 Tue 26 Dec 1989 Tue 02 Jan 1990 Tue 09 Jan 1990 Tue 16 Jan 1990 Tue 23 Jan 1990 Thu 25 Jan 1990 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average
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