0 1 2 3 Thu 13 Dec 1990 Tue 01 Jan 1991 Fri 01 Feb 1991 Fri 01 Mar 1991 Mon 01 Apr 1991 Wed 01 May 1991 Sat 01 Jun 1991 Mon 01 Jul 1991 Thu 01 Aug 1991 Sun 01 Sep 1991 Tue 01 Oct 1991 Fri 01 Nov 1991 Sun 01 Dec 1991 Fri 13 Dec 1991 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