0 1 2 3 Tue 04 Apr 1972 Tue 11 Apr 1972 Tue 18 Apr 1972 Tue 25 Apr 1972 Tue 02 May 1972 Tue 09 May 1972 Tue 16 May 1972 Tue 23 May 1972 Tue 30 May 1972 Tue 06 Jun 1972 Tue 13 Jun 1972 Tue 20 Jun 1972 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average
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Data:
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Events: