0 1 2 3 Tue 23 Oct 1990 Thu 01 Nov 1990 Sat 01 Dec 1990 Tue 01 Jan 1991 Mon 21 Jan 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