0 1 2 3 Fri 11 Dec 1987 Fri 01 Jan 1988 Mon 01 Feb 1988 Tue 01 Mar 1988 Fri 01 Apr 1988 Sun 01 May 1988 Wed 01 Jun 1988 Fri 01 Jul 1988 Mon 01 Aug 1988 Thu 01 Sep 1988 Sat 01 Oct 1988 Tue 01 Nov 1988 Thu 01 Dec 1988 Sat 10 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