0 1 2 3 Mon 27 Mar 1972 Mon 03 Apr 1972 Mon 10 Apr 1972 Mon 17 Apr 1972 Mon 24 Apr 1972 Mon 01 May 1972 Mon 08 May 1972 Mon 15 May 1972 Mon 22 May 1972 Mon 29 May 1972 Mon 05 Jun 1972 Wed 07 Jun 1972 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All