0 1 2 3 Sun 20 Dec 1987 Fri 25 Dec 1987 Wed 30 Dec 1987 Mon 04 Jan 1988 Sat 09 Jan 1988 Thu 14 Jan 1988 Tue 19 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