0 1 2 3 Tue 26 Dec 1989 Mon 01 Jan 1990 Thu 01 Feb 1990 Thu 01 Mar 1990 Mon 26 Mar 1990 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