0 1 2 3 Thu 27 Dec 1979 Thu 03 Jan 1980 Thu 10 Jan 1980 Thu 17 Jan 1980 Thu 24 Jan 1980 Thu 31 Jan 1980 Thu 07 Feb 1980 Thu 14 Feb 1980 Thu 21 Feb 1980 Thu 28 Feb 1980 Thu 06 Mar 1980 Thu 13 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