0 1 2 3 Sun 20 Jan 1980 Sun 27 Jan 1980 Sun 03 Feb 1980 Sun 10 Feb 1980 Sun 17 Feb 1980 Sun 24 Feb 1980 Sun 02 Mar 1980 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