0 1 2 3 Sun 27 Dec 1987 Fri 01 Jan 1988 Wed 06 Jan 1988 Mon 11 Jan 1988 Sat 16 Jan 1988 Thu 21 Jan 1988 Tue 26 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