0 1 2 3 Fri 27 Nov 1987 Sat 05 Dec 1987 Sun 13 Dec 1987 Mon 21 Dec 1987 Tue 29 Dec 1987 Wed 06 Jan 1988 Thu 14 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