0 1 2 3 Fri 20 Jan 1989 Sat 04 Feb 1989 Sun 19 Feb 1989 Mon 06 Mar 1989 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