0 1 2 3 Fri 04 Dec 1987 Fri 11 Dec 1987 Fri 18 Dec 1987 Fri 25 Dec 1987 Fri 01 Jan 1988 Fri 08 Jan 1988 Fri 15 Jan 1988 Fri 22 Jan 1988 Fri 29 Jan 1988 Mon 01 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