0 1 2 3 Tue 31 Dec 1991 Wed 01 Jan 1992 Sat 01 Feb 1992 Sun 01 Mar 1992 Mon 30 Mar 1992 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