0 1 2 3 Sun 25 Sep 1988 Sat 01 Oct 1988 Tue 01 Nov 1988 Thu 01 Dec 1988 Thu 22 Dec 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