0 1 2 3 Wed 30 Dec 1987 Wed 06 Jan 1988 Wed 13 Jan 1988 Wed 20 Jan 1988 Wed 27 Jan 1988 Wed 03 Feb 1988 Wed 10 Feb 1988 Wed 17 Feb 1988 Fri 19 Feb 1988 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