0 1 2 3 Thu 03 Dec 1987 Fri 11 Dec 1987 Sat 19 Dec 1987 Sun 27 Dec 1987 Mon 04 Jan 1988 Tue 12 Jan 1988 Wed 20 Jan 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