0 1 2 3 Tue 29 Jan 1974 Tue 05 Feb 1974 Tue 12 Feb 1974 Tue 19 Feb 1974 Tue 26 Feb 1974 Tue 05 Mar 1974 Tue 12 Mar 1974 Tue 19 Mar 1974 Thu 21 Mar 1974 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