0 1 2 3 Fri 18 Feb 1972 Fri 25 Feb 1972 Fri 03 Mar 1972 Fri 10 Mar 1972 Fri 17 Mar 1972 Fri 24 Mar 1972 Fri 31 Mar 1972 Fri 07 Apr 1972 Fri 14 Apr 1972 Fri 21 Apr 1972 Fri 28 Apr 1972 Mon 01 May 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