0 1 2 3 Thu 08 Dec 1977 Thu 15 Dec 1977 Thu 22 Dec 1977 Thu 29 Dec 1977 Thu 05 Jan 1978 Thu 12 Jan 1978 Thu 19 Jan 1978 Thu 26 Jan 1978 Thu 02 Feb 1978 Thu 09 Feb 1978 Thu 16 Feb 1978 Sun 19 Feb 1978 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