0 1 2 3 Thu 09 Dec 1976 Thu 16 Dec 1976 Thu 23 Dec 1976 Thu 30 Dec 1976 Thu 06 Jan 1977 Thu 13 Jan 1977 Thu 20 Jan 1977 Thu 27 Jan 1977 Thu 03 Feb 1977 Thu 10 Feb 1977 Thu 17 Feb 1977 Thu 24 Feb 1977 Sun 27 Feb 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