0 1 2 3 Mon 18 Dec 1978 Mon 25 Dec 1978 Mon 01 Jan 1979 Mon 08 Jan 1979 Mon 15 Jan 1979 Mon 22 Jan 1979 Mon 29 Jan 1979 Mon 05 Feb 1979 Mon 12 Feb 1979 Thu 15 Feb 1979 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