0 1 2 3 Mon 21 Jan 1991 Mon 28 Jan 1991 Mon 04 Feb 1991 Mon 11 Feb 1991 Mon 18 Feb 1991 Mon 25 Feb 1991 Mon 04 Mar 1991 Mon 11 Mar 1991 Mon 18 Mar 1991 Thu 21 Mar 1991 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