0 1 2 3 Thu 31 Dec 1987 Mon 04 Jan 1988 Fri 08 Jan 1988 Tue 12 Jan 1988 Sat 16 Jan 1988 Wed 20 Jan 1988 Sun 24 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