0 1 2 3 Fri 11 Dec 1987 Tue 15 Dec 1987 Sat 19 Dec 1987 Wed 23 Dec 1987 Sun 27 Dec 1987 Thu 31 Dec 1987 Mon 04 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