0 1 2 3 Sun 30 Jan 1977 Sun 06 Feb 1977 Sun 13 Feb 1977 Sun 20 Feb 1977 Sun 27 Feb 1977 Sun 06 Mar 1977 Sun 13 Mar 1977 Sun 20 Mar 1977 Sun 27 Mar 1977 Wed 30 Mar 1977 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