0 1 2 3 Fri 15 Jan 1988 Sat 23 Jan 1988 Sun 31 Jan 1988 Mon 08 Feb 1988 Tue 16 Feb 1988 Wed 24 Feb 1988 Thu 03 Mar 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