0 1 2 3 Sun 06 Feb 1972 Sun 13 Feb 1972 Sun 20 Feb 1972 Sun 27 Feb 1972 Sun 05 Mar 1972 Sun 12 Mar 1972 Sun 19 Mar 1972 Sun 26 Mar 1972 Fri 31 Mar 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