0 1 2 3 Sun 10 Dec 1972 Sun 17 Dec 1972 Sun 24 Dec 1972 Sun 31 Dec 1972 Sun 07 Jan 1973 Sun 14 Jan 1973 Sun 21 Jan 1973 Sun 28 Jan 1973 Sun 04 Feb 1973 Sun 11 Feb 1973 Sun 18 Feb 1973 Wed 21 Feb 1973 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